SeaSources.net, Training for Mariners. The First with Online Study for the Maritime Industry.

  Welcome to Seasources.net. Established in 1996, we are the ultimate source for online USCG exam preparation assistance. Seasources.net provides free online exam preparation along with downloadable studyguides and standalone software that allows you to continue your studies without an internet connection.

Prepare for or supplement your studies for your USCG license exam here.


                        Click here to register and begin your exam preparations with SeaSources.net

 

Hi! We have a new website! It's phone / tablet friendly and speedier. Please visit it today! 

All of the latest questions and illustrations on "Navigation Problems, Celestial Observations " are in the Online Study.

Home Page

 

 

A On 15 November your 0913 zone time fix gives you a position of LAT 2230.0'N, LONG 6828.0'W. Your vessel is on course 164T, and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1118 zone time at which time meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4946.0'. What is the calculated latitude at LAN? 2139.3'N 2137.7'N 2140.9'N 2136.1'N Calculated Latitude at LAN
C On 12 February your 0542 zone time (ZT) fix gives you a position of LAT 2642.0'N, LONG 6018.0'W. Your vessel is on course 300T, and your speed is 9.8 knots. Local apparent noon (LAN) occurs at 1220 ZT at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4910.0'. What is the calculated latitude at LAN? 2717.6'N 2713.5'N 2716.3'N 2719.2'N Calculated Latitude at LAN
D On 15 November your 0813 zone time (ZT) fix gives you a position of LAT 2230.0'N, LONG 6728.0'W. Your vessel is on course 164T, and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1215 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4946.0'. What is the latitude at 1200 ZT? 2139.3'N 2132.8'N 2136.0'N 2142.5'N Calculated Latitude at LAN
A On 12 September your 0600 zone time (ZT) fix gives you a position of LAT 2251.9'N, LONG 13340.1'W. Your vessel is on course 062T, and your speed is 12.3 knots. Local apparent noon (LAN) occurs at 1142 ZT, at which time a meridian altitude of the Sun's upper limb is observed. The observed altitude (Ho) for this sight is 7033.2'. What is the calculated latitude at LAN? 2324.8'N 2326.5'N 2327.9'N 2323.0'N Calculated Latitude at LAN
D On 16 September your 0600 ZT fix gives you a position of LAT 2947.2'N, LONG 6528.4'W. Your vessel is on course 242T and your speed is 13.5 knots. Local apparent noon (LAN) occurs at 1227 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 6325.3'. What is the calculated latitude at LAN? 2901.6'N 2907.9'N 2906.1'N 2904.7'N Calculated Latitude at LAN
B On 22 February your 0612 zone time fix gives you a position of LAT 2716.2'S, LONG 3741.6'W. Your vessel is on course 298T, and your speed is 14.2 knots. Local apparent noon (LAN) occurs at 1147 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 7333.3'. What is the calculated latitude at LAN? 2624.8'S 2631.4'S 2627.1'S 2629.5'S Calculated Latitude at LAN
D On 17 December your 0600 ZT fix gives you a position of LAT 2716.7'N, LONG 13839.2'W. Your vessel is on course 137T, and your speed is 14.8 knots. Local apparent noon (LAN) occurs at 1207 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4022.1'. What is the calculated latitude at LAN? 2611.6'N 2609.9'N 2613.0'N 2615.4'N Calculated Latitude at LAN
C On 28 July your 0800 zone time fix gives you a position of LAT 2516.0'N, LONG 7119.0'W. Your vessel is on course 026T, and your speed is 17.5 knots. Local apparent noon (LAN) occurs at 1149 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 8228.7'. What is the calculated latitude at LAN? 2623.4'N 2621.9'N 2625.0'N 2627.7'N Calculated Latitude at LAN
D On 7 November your 0830 zone time fix gives you a position of LAT 2736.0'N, LONG 16319.0'W. Your vessel is on course 289T, and your speed is 19.0 knots. Local apparent noon (LAN) occurs at 1138 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4535.0'. What is the calculated latitude at LAN? 2755.1'N 2753.4'N 2752.3'N 2757.2'N Calculated Latitude at LAN
A On 13 October your 0515 zone time (ZT) fix gives you a position of LAT 2653.0'N, LONG 9005.0'W. Your vessel is on course 068T, and your speed is 7.8 knots. Local apparent noon (LAN) occurs at 1145 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 5451.5'. What is the calculated latitude at LAN? 2712.6'N 2715.7'N 2716.2'N 2714.1'N Calculated Latitude at LAN
D On 1 July your 0515 ZT fix gives you a position of LAT 2436.0'S, LONG 15142.0'W. Your vessel is on course 300T, and your speed is 10.0 knots. Local apparent noon (LAN) occurs at 1215 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4255.0'. What is the calculated latitude at LAN? 2403.6'S 2400.0'S 2402.5'S 2401.0'S Calculated Latitude at LAN
C On 28 July your 0800 zone time (ZT) fix gives you a position of LAT 2516.0'N, LONG 7119.0'W. Your vessel is on course 026T, and your speed is 17.5 knots. Local apparent noon (LAN) occurs at 1150 ZT, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 8228.7'. What is the latitude at 1200 ZT? 2632.0'N 2625.0'N 2627.6'N 2629.8'N Calculated Latitude at LAN
C On 7 November your 0830 zone time fix gives you a position of LAT 2736.0'N, LONG 16219.0'W. Your vessel is on course 289T and your speed is 19.0 knots. Local apparent noon (LAN) occurs at 1138 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4535.0'. What is the latitude at 1200 ZT? 2755.1'N 2757.2'N 2759.5'N 2801.9'N Calculated Latitude at LAN
D On 1 July your 0515 zone time fix gives you a position of LAT 2324.0'S, LONG 15142.0'W. Your vessel is on course 240T, and your speed is 10.0 knots. Local apparent noon (LAN) occurs at 1215 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 4255.0'. What is the latitude at 1200 ZT? 2402.5'S 2401.0'S 2358.6'S 2359.7'S Calculated Latitude at LAN
B On 13 October your 0515 zone time fix gives you a position of LAT 2653.0'N, LONG 9005.0'W. Your vessel is on course 068T, and your speed is 7.8 knots. Local apparent noon (LAN) occurs at 1145 zone time, at which time a meridian altitude of the Sun's lower limb is observed. The observed altitude (Ho) for this sight is 5451.5'. What is the latitude at 1200 ZT? 2716.8'N 2713.3'N 2715.7'N 2714.6'N Calculated Latitude at LAN
B On 25 February at 0622 ZT, you observe the upper limb of the Moon with a sextant altitude of 5958.6'. Your DR position is LAT 3028.3'S, LONG 10239.3 E. The chronometer reading at the time of the sight is 11h 21m 18s and the chronometer is 48s slow. The height of eye is 59 feet and the index error is 2.5' on the arc. What are the azimuth (Zn) and intercept (a) of this sight using the assumed position? Zn 305.4, a 1.5T Zn 305.4, a 4.2T Zn 234.6, a 4.2 A Zn 305.4, a 9.2T Intercept (a) and Azimuth (Zn) from Assumed Position
D On 22 July at 0720 ZT, in DR position LAT 2038.2'N, LONG 8716.0'W, you observe the Moon's lower limb. The sextant altitude (hs) is 3832.6, and the chronometer reads 01h 18m 14s. The chronometer is 01m 28s slow. The index error is 3.1' off the arc, and the height of eye is 68 feet. What is the azimuth (Zn) and intercept (a) of this sight from the assumed position? Zn 111.4, a 8.7' A Zn 068.6, a 6.5' T Zn 291.4, a 5.2' A Zn 248.6, a 5.0' T Intercept (a) and Azimuth (Zn) from Assumed Position
B On 26 July your 1901 ZT position is LAT 2828'N, LONG 15716'E when you take an observation of Jupiter. The chronometer at the time of the sight reads 08h 54m 34s and is 06m 24s slow. The sextant altitude (hs) is 3351.5'. The index error is 2.8' off the arc, and the height of eye is 48 feet. What are the azimuth (Zn) and intercept (a) for this sight using the assumed position? Zn 110.8, a 32.0' T Zn 248.2, a 34.2' T Zn 290.8, a 44.2' A Zn 249.2, a 32.0' A Intercept (a) and Azimuth (Zn) from Assumed Position
D On 25 May your vessel's 1917 zone time position is LAT 2416.0'N, LONG 01726.0'W. At that time a sextant observation of the planet Saturn was made. The sextant altitude is 6305.1', and the chronometer reads 08h 18m 24s. The index error is 4.5' off the arc, and the chronometer error is 01m 05s fast. Your height of eye is determined to be 62.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 143.8 149.9 148.7 147.3 Intercept (a) and Azimuth (Zn) from Assumed Position
A On 25 May your vessel's 1858 zone time position is LAT 2105.0'N, LONG 14327.0'E. At that time a sextant observation of the planet Venus was made. The sextant altitude is 1253.4' and the chronometer reads 08h 59m 15s. The index error is 4.5' off the arc, and the chronometer error is 01m 25s fast. Your height of eye is determined to be 55.0 feet. What is the azimuth (Zn) of the sight using the assumed position? 290.4T 110.4T 249.6T 069.6T Intercept (a) and Azimuth (Zn) from Assumed Position
D On 26 May your vessel's 1906 zone time position is LAT 2716.0'N, LONG 2437.0'W. At that time, a sextant observation of the planet Jupiter was made. The sextant altitude is 6327.6', and the chronometer reads 09h 05m 16s. The index error is 5.2' on the arc, and the chronometer error is 01m 25s slow. Your height of eye is determined to be 52.6 feet. What is the (Zn) of this sight using the assumed position? 191.3T 011.3T 348.7T 168.7T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 28 April your vessel's 0515 zone time position is LAT 2326'S, LONG 9530'E. At this time, the observed altitude (Ho) of the star Rigil Kentaurus is 2451.4'. Your chronometer reads 11h 16m 36s and is 01m 18s fast. What is the intercept (a) based on the assumed position method? 34.4 miles 30.9 miles 33.1 miles 32.3 miles Intercept (a) and Azimuth (Zn) from Assumed Position
C On 17 April your vessel's 1856 zone time DR position is LAT 2235.0'N, LONG 6315.0'W. At that time, a sextant observation of the star Sirius is made. The sextant altitude is 4245.0' and the chronometer reads 10h 59m 27s. The index error is 2.6' off the arc, and the chronometer error is 03m 01s fast. Your height of eye is determined to be 45 feet. What is the computed altitude (Hc) and azimuth (Zn) for this sight using the assumed position? 4240.0', 214.9T 4240.0', 325.1T 4251.6', 214.9T 4251.6', 325.1T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 16 June 0612 zone time, morning stars were observed. The vessel's position was LAT 2723.0'S, LONG 5622.0'W. The vessel is steaming at 16.0 knots on a course of 212T. A sextant observation of the Sun's lower limb is made at 0850 zone time. The chronometer reads 00h 53m 19s, and the sextant altitude is 2258.6'. The index error is 2.0' off the arc, and the chronometer error is 02m 43s fast. Your height of eye is 61.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 044.3 052.6 136.1 148.4 Intercept (a) and Azimuth (Zn) from Assumed Position
A On 25 June at 0612 zone time, morning stars were observed, and the vessel's position was determined to be LAT 2813.0'S, LONG 4934.0'E. Your vessel is steaming at 17.0 knots on a course of 066T. A sextant observation of the Sun's lower limb is made at 1022 zone time. The chronometer reads 07h 19m 17s, and the sextant altitude is 3526.3'. The index error is 1.5' on the arc, and the chronometer error is 02m 51s slow. Your height of eye on the bridge is 58.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 021.5T 157.5T 201.5T 338.5T Intercept (a) and Azimuth (Zn) from Assumed Position
C On 5 April at 0509 zone time, morning stars were observed and the vessel's position was LAT 2832'N, LONG 17713.0'W. Your vessel is steaming at 19.0 knots on a course of 258T. A sextant observation of the Sun's lower limb is made at 1021 zone time. The chronometer reads 10h 20m 09s, and the sextant altitude (hs) is 5806.6'. The index error is 1.0' off the arc, and the chronometer error is 00m 54s slow. Your height of eye on the bridge is 55.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 125.8T 128.8T 129.2T 130.2T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 1 April at 0515 zone time, morning stars were observed, and the vessel's position was determined to be LAT 2705.0'N, LONG 1630.0'W. Your vessel is steaming at 19.0 knots on a course of 022T. A sextant observation of the Sun's lower limb is made at 0930 zone time. The chronometer reads 10h 28m 25s, and the sextant altitude is 4620.3'. The index error is 4.5' off the arc, and the chronometer error is 02m 15s slow. Your height of eye on the bridge is 57.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 115.0T 117.9T 121.6T 112.2T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 6 March at 0550 zone time, morning stars were observed, and the vessel's position was determined to be LAT 2356.0'N, LONG 2719.0'W. Your vessel is steaming at 25.0 knots on a course of 149.0T. A sextant observation of the Sun's lower limb is made at 0830 zone time. The chronometer reads 10h 32m 05s, and the sextant altitude is 3131.5'. The index error is 2.5' on the arc, and the chronometer error is 01m 45s fast. Your height of eye on the bridge is 76.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 112.8T 111.2T 114.3T 109.8T Intercept (a) and Azimuth (Zn) from Assumed Position
D On 10 January at 0550 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2516.0'N, LONG 12318.0'W. Your vessel is steaming at 22.0 knots on a course of 295T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 05h 14m 02s, and the sextant altitude is 2400.7'. The index error is 2.6' off the arc, and the chronometer error is 01m 34s slow. Your height of eye on the bridge is 55.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 127.8T 129.8T 133.6T 131.9T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 4 July at 0630 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2115.0'S, LONG 2120.0'W. Your vessel is steaming at 13.0 knots on a course of 146T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 10h 14m 27s, and the sextant altitude is 2529.8'. The index error is 3.1' off the arc, and the chronometer error is 0m 53s slow. Your height of eye on the bridge is 48.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 049.5T 058.9T 054.3T 052.6T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 22 July at 0448 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2143.0'N, LONG 15839.0'E. Your vessel is steaming at 21.0 knots on a course of 028T. A sextant observation of the Sun's lower limb is made at 0956 ZT. The chronometer reads 10h 54m 27s, and the sextant altitude is 5428.2'. The index error is 1.5' off the arc, and the chronometer error is 01m 38s slow. Your height of eye on the bridge is 56 feet. What is the azimuth (Zn) of this sight using the assumed position? 086.9T 084.2T 080.9T 082.2T Intercept (a) and Azimuth (Zn) from Assumed Position
B At 0600 ZT on 24 July your DR position is LAT 2237'N, LONG 3245'W. You are steering 185T at a speed of 20.0 knots. Determine the computed altitude (Hc) and azimuth (Zn) for an observation of the Sun's lower limb taken at 1030 ZT. At this time the chronometer reads 00h 30m 16s and is 0m 31s slow. Hc 6444.2' Zn 094.7 Hc 6441.7' Zn 087.8 Hc 6430.8' Zn 090.1 Hc 6427.5' Zn 092.3 Intercept (a) and Azimuth (Zn) from Assumed Position
D At 0800 ZT on 29 June your DR position is LAT 2600.0'N, LONG 7529.5'W. Given a chronometer time of 01h 00m 00s, determine the computed altitude (Hc) of the Sun for the assumed position nearest to the above given latitude and longitude. Hc 3448.6' Hc 3518.6' Hc 3438.6' Hc 3458.6' Intercept (a) and Azimuth (Zn) from Assumed Position
A On 8 August at 0545 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2616.0' S, LONG 9416.0'E. Your vessel is steaming at 20.0 knots on a course of 346T. A sextant observation of the Sun's lower limb is made at 0905 ZT. The chronometer reads 03h 02m 52s, and the sextant altitude (hs) is 3807.5'. The index error is 5.2' off the arc, and the chronometer error is 2m 17s slow. Your height of eye on the bridge is 72 feet (22.0 meters). What is the observed altitude (Ho) and azimuth (Zn) of this sight using the assumed position? 3819.4', 048.4T 3854.9', 048.4T 3819.4', 131.6T 3854.9', 131.6T Intercept (a) and Azimuth (Zn) from Assumed Position
D On 11 October at 0516 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2321.0'N, LONG 13927.0'W. Your vessel is steaming at 14.0 knots on a course of 293T. A sextant observation of the Sun's lower limb is made at 0927 ZT. The chronometer reads 06h 30m 21s, and the sextant altitude (hs) is 3948.7'. The index error is 2.0' on the arc, and the chronometer error is 02m 56s fast. Your height of eye on the bridge is 63.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 128.4T 126.2T 116.2T 123.4T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 18 October at 0518 ZT, morning stars were observed and the vessel's position was determined to be LAT 2531.0'N, LONG 14629.2'E. Your vessel is steaming at 19.0 knots on a course of 308T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 11h 17m 11s, and the sextant altitude (hs) is 3451.4'. The index error is 2.0' off the arc, and the chronometer error is 01m 57s fast. Your height of eye on the bridge is 54.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 125.5T 121.9T 120.6T 127.3T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 13 November at 0438 ZT, morning stars were observed and the vessel's position was determined to be LAT 2214.0'S, LONG 7923.0'E. Your vessel is steaming at 13.0 knots on a course of 242T. A sextant observation of the Sun's lower limb is made at 0822 ZT. The chronometer reads 03h 20m 16s, and the sextant altitude (hs) is 4549.7'. The index error is 1.0' on the arc, and the chronometer error is 01m 47s slow. Your height of eye on the bridge is 61.0 feet (18.6 meters). What is the azimuth (Zn) of this sight using the assumed position? 092.6T 096.2T 098.7T 099.7T Intercept (a) and Azimuth (Zn) from Assumed Position
D On 9 November at 0426 ZT, your position was LAT 2517.0'S, LONG 15416.0'E. Your vessel is steaming at 14.0 knots on course 066T. A sextant observation of the Sun's lower limb is made at 0837 ZT. The chronometer reads 10h 35m 21s, and the sextant altitude (hs) is 5026.9'. The index error is 1.5' on the arc, and the chronometer error is 01m 48s slow. Your height of eye on the bridge is 56.0 feet. What is the observed altitude (Ho) and azimuth (Zn) of this sight using the assumed position? 5018.1', 086.3T 5033.5', 093.7T 5018.1', 093.7T 5033.5', 085.9T Intercept (a) and Azimuth (Zn) from Assumed Position
D On 21 November at 0430 ZT, morning stars were observed, and the vessel's position was LAT 2214.0'S, LONG 7923.0'E. Your vessel is steaming at 14.5 knots on a course of 246T. A sextant observation of the Sun's lower limb is made at 0816 ZT. The chronometer reads 03h 14m 16s, and the sextant altitude (hs) is 4429.2'. The index error is 1.0' on the arc, and the chronometer error is 01m 47s slow. Your height of eye is 61.0 feet (18.6 meters). What is the azimuth (Zn) and intercept (a) of this sight using the assumed position method? Zn 084.2, a 6.6' T Zn 095.6, a 6.6' A Zn 084.2, a 6.6' A Zn 095.6, a 6.6' T Intercept (a) and Azimuth (Zn) from Assumed Position
B On 22 June at 0906 EDT (ZD +4), your position is LAT 2436'N, LONG 6930'W. You are on course 165pgc at a speed of 14.8 knots. A sextant observation of the Sun's lower limb is made, and the sextant altitude (hs) is 4244.0' with an index error of 0.8' off the arc. At this time the chronometer reads 01h 10m 12s, and is 2m 42s slow. If your height of eye is 70 feet, what is the azimuth (Zn) of the sight using the assumed position? Zn 081.6 Zn 080.4 Zn 129.0 Zn 130.5 Intercept (a) and Azimuth (Zn) from Assumed Position
D On 12 April at 0515 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2105'S, LONG 1630'W. Your vessel is steaming at 19 knots on a course of 278T. A sextant observation of the Sun's lower limb is made at 0930 ZT. The chronometer reads 10h 28m 25s, and the sextant altitude (hs) is 4015.9'. The index error is 2.5' off the arc, and the chronometer error is 2m 15s slow. Your height of eye on the bridge is 57 feet. What are the intercept (a) and azimuth (Zn) from the assumed position of this sight? Zn 122.3, a 17.7' A
Zn 123.0, a 22.7' A
Zn 057.7, a 15.4' T
Zn 057.0, a 17.7' A Intercept (a) and Azimuth (Zn) from Assumed Position
A On 30 June at 0630 zone time, morning stars were observed, and the vessel's position was determined to be LAT 2515.0'S, LONG 17536.0'E. Your vessel is steaming at 16.0 knots on a course of 302T. A sextant observation of the Sun's lower limb is made at 1015 zone time. The chronometer reads 10h 14m 38s, and the sextant altitude is 3207.9'. The index error is 4.5' on the arc, and the chronometer error is 01m 25s slow. Your height of eye on the bridge is 58.0 feet. What is the azimuth (Zn) of this sight using the assumed position? 035.3T 144.7T 248.5T 186.5T Intercept (a) and Azimuth (Zn) from Assumed Position
C On 4 June at 0630 ZT, morning stars were observed, and the vessel's position was determined to be LAT 2615'S, LONG 12120'W. Your vessel is steaming at 13.0 knots on a course of 246T. A sextant observation of the Sun's lower limb is made at 0915 ZT. The chronometer reads 05h 14m 27s, and the sextant altitude is 2557.8'. The index error is 2.1' off the arc, and the chronometer error is 0m 53s slow. Your height of eye is 39.0 feet. What is the intercept (a) and azimuth (Zn) of this sight using the assumed position method? Zn 135.1, a 1.7' A Zn 044.6, a 1.7' A Zn 044.6, a 2.5' T Zn 135.1, a 2.5' T Intercept (a) and Azimuth (Zn) from Assumed Position
A On 18 August at 0600 ZT, morning stars were observed, and the vessel's position was determined to be LAT 1948'N, LONG 108 34'W. Your vessel is steaming on course 166T at a speed of 16 knots. An observation of the Sun's lower limb is made at 1036 ZT. The chronometer reads 05h 34m 48s and is slow 01m 24s. What is the computed altitude (Hc) and azimuth (Zn) for this 1036 ZT observation using the assumed position method? Hc 6514.8', Zn 100.4 Hc 6507.2', Zn 101.2 Hc 6511.3', Zn 099.4 Hc 6518.5', Zn 102.1 Intercept (a) and Azimuth (Zn) from Assumed Position
C At 1000 ZT 21 October your DR position is LAT 2900'N, LONG 13440'E. Determine the computed altitude (Hc) of the Sun for the assumed position nearest to the above given latitude and longitude, given a chronometer time of 01h 00m 00s. Hc 4230.6' Hc 4234.2' Hc 4235.7' Hc 4232.1' Intercept (a) and Azimuth (Zn) from Assumed Position
A At 1300 ZT on 9 May your DR position is LAT 2400'N, LONG 8326'W. Determine the computed altitude (Hc) of the Sun for the assumed position nearest to the above given latitude and longitude, given a chronometer time of 07h 00m 00s. Hc 6826.6' Hc 6822.8' Hc 6824.1' Hc 6825.2' Intercept (a) and Azimuth (Zn) from Assumed Position
C On 17 May at 0501 zone time, morning stars were observed, and the vessel's position was determined to be LAT 2216.0'S, LONG 10346.0'W. Your vessel is steaming at 24.0 knots on a course of 301T. A sextant observation of the Sun's lower limb is made at 0845 zone time. The chronometer reads 03h 43m 32s, and the sextant altitude is 2824.7'. The index error is 1.5' off the arc, and the chronometer error is 02m 02s slow. Your height of eye on the bridge is 85.5 feet. What is the azimuth (Zn) of this sight using the assumed position? 055.7T 051.0T 052.5T 054.2T Intercept (a) and Azimuth (Zn) from Assumed Position
B On 22 November your vessel is enroute from Accra, Ghana to Montevideo, Uruguay. You are on course 240T and making a speed of 15.0 knots. Your 1129 DR position is LAT 2825.0' S, LONG 4240.0' W. You observed 3 celestial bodies. Determine the latitude and longitude of your 1137 running fix. (See Navigation Problems Question Tables NP-0023 Below) LAT 2823.4'S, LONG 4242.0'W LAT 2827.0'S, LONG 4238.0'W LAT 2825.2'S, LONG 4240.0'W LAT 2825.0'S, LONG 4236.0'W Running Fix (Problems with NP Tables)
B On 20 November your 1030 ZT DR position is LAT 2716.0' N, LONG 15718.6' E. You are on course 060T at a speed of 20 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1200 running fix. (See Navigation Problems Question Tables NP-0012 Below) LAT 2733.4'N, LONG 15748.2'E LAT 2729.7'N, LONG 15743.0'E LAT 2722.6'N, LONG 15737.8'E LAT 2716.8'N, LONG 15730.5'E Running Fix (Problems with NP Tables)
D On 4 December your 1500 ZT DR position is LAT 1806.0' N, LONG 7542.0' W. You are on course 020T at a speed of 15.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1548 running fix. (See Navigation Problems Question Tables NP-0014 Below) LAT 1814.0'N, LONG 7540.0'W LAT 1810.3'N, LONG 7534.5'W LAT 1812.6'N, LONG 7542.0'W LAT 1817.3'N, LONG 7537.7'W Running Fix (Problems with NP Tables)
A On 25 March your 0500 ZT DR position is LAT 2814.0' S, LONG 9317.0' E. You are on course 291T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0550 running fix. (See Navigation Problems Question Tables NP-0006 Below) LAT 2815.9'S, LONG 9256.9'E LAT 2806.4'S, LONG 9302.5'E LAT 2819.3'S, LONG 9259.0'E LAT 2753.2'S, LONG 9317.6'E Running Fix (Problems with NP Tables)
D On 15 July your vessel is enroute from Portland, OR, to Singapore, Malaysia. You are steering course 243T and making a speed of 16 knots. Your 1845 zone time DR is LAT 2742.0' N, LONG 16702.0' E. You observed 3 celestial bodies. Determine the latitude and longitude of your 1945 running fix. (See Navigation Problems Question Tables NP-0016 Below) LAT 2818.1'N, LONG 16639.8'E LAT 2738.5'N, LONG 16645.1'E LAT 2745.3'N, LONG 16632.2'E LAT 2731.1'N, LONG 16643.0'E Running Fix (Problems with NP Tables)
A On 15 August your vessel is enroute from Bombay, India, to San Francisco, CA. You are steering course 020T and making a speed of 20.0 knots. Your 1830 zone time DR is LAT 2613.0' N, LONG 13518.0' W. You observed 3 celestial bodies. Determine the latitude and longitude of your 1935 running fix. (See Navigation Problems Question Tables NP-0017 Below) LAT 2648.1'N, LONG 13520.7'W LAT 2615.9'N, LONG 13503.6'W LAT 2635.3'N, LONG 13524.8'W LAT 2640.5'N, LONG 13521.6'W Running Fix (Problems with NP Tables)
D At 1830 zone time, on 6 April your DR position is LAT 2633.0' N, LONG 6431.0' W. You are steering course 082T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix. (See Navigation Problems Question Tables NP-0019 Below) LAT 2628.4'N, LONG 6432.1'W LAT 2623.7'N, LONG 6429.3'W LAT 2620.1'N, LONG 6419.4'W LAT 2632.5'N, LONG 6427.1'W Running Fix (Problems with NP Tables)
B At 0450 zone time, on 25 June, your DR position is LAT 2126.0'N, LONG 16024.5'W. You are steering course 100T at a speed of 10 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0514 running fix? (See Navigation Problems Question Tables NP-0020 Below) LAT 2120.0'N, LONG 16015.5'W LAT 2125.0'N, LONG 16018.0'W LAT 2127.0'N, LONG 16017.0'W LAT 2122.0'N, LONG 16017.0'W Running Fix (Problems with NP Tables)
D On 10 August, your 0430 ZT position is LAT 2956.7'S, LONG 13911.0'E. Your course is 321T, speed 18.2 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0500 running fix? NP-0021 LAT 3007.5'S, LONG 13855.2'E LAT 2956.0'S, LONG 13903.8'E LAT 2946.0'S, LONG 13854.0'E LAT 2949.2'S, LONG 13857.0'E Running Fix (Problems with NP Tables)
D On 3 April your vessel's 1400 ZT DR position is LAT 2008.0' N, LONG 14745.0' W. You are steering course 023T at 18.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix. (See Navigation Problems Question Tables NP-0022 Below) LAT 2139.8'N, LONG 14659.7'W LAT 2141.8'N, LONG 14701.5'W LAT 2141.8'N, LONG 14705.5'W LAT 2140.0'N, LONG 14703.2'W Running Fix (Problems with NP Tables)
B On 12 October your vessel is on course 081T, speed 20 knots. Your 1800 zone time DR position is LAT 2611.0' S, LONG 7718.0' E. You observed 3 celestial bodies. Determine the latitude and longitude of your 1835 running fix. (See Navigation Problems Question Tables NP-0024 Below) LAT 2605.5'S, LONG 7714.5'E LAT 2612.0'S, LONG 7731.0'E LAT 2607.5'S, LONG 7734.0'E LAT 2609.0'S, LONG 7727.5'E Running Fix (Problems with NP Tables)
A On 25 October your 0430 ZT DR position is LAT 2448' N, LONG 6531' W. Your vessel is on course 030T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0455 running fix. (See Navigation Problems Question Tables NP-0025 Below) LAT 2453'N, LONG 6528'W LAT 2453'N, LONG 6512'W LAT 2454'N, LONG 6517'W LAT 2503'N, LONG 6518'W Running Fix (Problems with NP Tables)
C On 6 April your 1830 ZT DR position is LAT 2633.0' N, LONG 6431.0' W. You are on course 082T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1900 running fix. (See Navigation Problems Question Tables NP-0008 Below) LAT 2628.7'N, LONG 6432.1'W LAT 2649.5'N, LONG 6406.5'W LAT 2632.5'N, LONG 6427.1'W LAT 2631.2'N, LONG 6432.1'W Running Fix (Problems with NP Tables)
B On 24 October your 0100 DR position is LAT 2742' N, LONG 15835' E. You are on course 085T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0700 running fix. (See Navigation Problems Question Tables NP-0026 Below) LAT 2758.4'N, LONG 15943.5'E LAT 2756.0'N, LONG 15947.3'E LAT 2748.8'N, LONG 16012.5'E LAT 2752.5'N, LONG 16018.2'E Running Fix (Problems with NP Tables)
D On 9 November your 0400 DR position is LAT 1824.0' S, LONG 9736.0' W. You are on course 138T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0027 Below) LAT 1915.5'S, LONG 9808.8'W LAT 1852.5'S, LONG 9710.6'W LAT 1815.0'S, LONG 9852.5'W LAT 1845.0'S, LONG 9706.8'W Running Fix (Problems with NP Tables)
C On 19 September your 0300 zone time DR position is LAT 2435' N, LONG 8840' W. You are on course 288T at a speed of 14 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0028 Below) LAT 2447.4'N, LONG 8915.0'W LAT 2459.5'N, LONG 8928.6'W LAT 2452.5'N, LONG 8922.4'W LAT 2506.0'N, LONG 9037.0'W Running Fix (Problems with NP Tables)
A On 6 April your 0300 DR position is LAT 2742' S, LONG 12858' W. You are on course 097T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0029 Below) LAT 2744.7'S, LONG 12747.5'W LAT 2752.4'S, LONG 12749.4'W LAT 2815.2'S, LONG 12811.6'W LAT 2715.5'S, LONG 12812.4'W Running Fix (Problems with NP Tables)
D On 19 November your 0200 zone time DR position is LAT 1841' N, LONG 15037' E. You are on course 014T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0031 Below) LAT 1942.8'N, LONG 15056.9'E LAT 1941.2'N, LONG 15046.3'E LAT 1939.3'N, LONG 15051.8'E LAT 1945.4'N, LONG 15052.6'E Running Fix (Problems with NP Tables)
C On 25 August your 0300 zone time DR position is LAT 2128.0' N, LONG 16748.0' E. You are on course 248T at a speed of 12 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0032 Below) LAT 2106.0'N, LONG 16710.9'E LAT 2059.5'N, LONG 16654.8'E LAT 2057.1'N, LONG 16701.0'E LAT 2052.4'N, LONG 16732.1'E Running Fix (Problems with NP Tables)
A On 19 November your 0200 zone time DR position is LAT 2029.0' N, LONG 15021.3' E. You are on course 136T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0033 Below) LAT 1933.0'N, LONG 15110.0'E LAT 1930.1'N, LONG 15106.0'E LAT 1935.8'N, LONG 15113.6'E LAT 1931.7'N, LONG 15104.9'E Running Fix (Problems with NP Tables)
D On 28 May your 0200 DR position is LAT 1916.5' S , LONG 11924.0' W. You are on course 107T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0034 Below) LAT 2017.1'S, LONG 11806.0'W LAT 2007.5'S, LONG 11732.0'W LAT 1948.2'S, LONG 11804.5'W LAT 1943.0'S, LONG 11754.0'W Running Fix (Problems with NP Tables)
A On 12 December your 1830 ZT DR position is LAT 2416.0' S, LONG 4118.0' W. You are on course 235T at a speed of 16.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1930 running fix. (See Navigation Problems Question Tables NP-0009 Below) LAT 2416.9'S, LONG 4118.2'W LAT 2746.9'S, LONG 4131.2'W LAT 2412.5'S, LONG 4110.9'W LAT 2425.2'S, LONG 4139.9'W Running Fix (Problems with NP Tables)
B On 16 April your 0200 zone time DR position is LAT 1718' S, LONG 16846' E. You are on course 236T at a speed of 16 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0036 Below) LAT 1754.9'S, LONG 16748.7'E LAT 1800.4'S, LONG 16749.2'E LAT 1755.6'S, LONG 16745.1'E LAT 1756.8'S, LONG 16752.4'E Running Fix (Problems with NP Tables)
B On 5 May your 1600 zone time DR position is LAT 1728' S, LONG 14339' E. You are on course 316T at a speed of 17 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1800 running fix. (See Navigation Problems Question Tables NP-0038 Below) LAT 1707.8'S, LONG 14317.5'E LAT 1705.2'S, LONG 14311.4'E LAT 1708.2'S, LONG 14307.9'E LAT 1709.7'S, LONG 14310.1'E Running Fix (Problems with NP Tables)
A On 19 November your 0300 zone time DR position is LAT 1923' N, LONG 15137' E. You are on course 293T at a speed of 17 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0039 Below) LAT 1934.8'N, LONG 15048.0'E LAT 1932.9'N, LONG 15052.3'E LAT 1930.5'N, LONG 15048.5'E LAT 1938.5'N, LONG 15041.6'E Running Fix (Problems with NP Tables)
C On 20 February your 0530 ZT DR position is LAT 2415.0'N, LONG 13733.0'W. You are on course 033T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. (See Navigation Problems Question Tables NP-0010 Below) LAT 2426.0'N, LONG 13725.8'W LAT 2430.1'N, LONG 13724.5'W LAT 2427.5'N, LONG 13731.8'W LAT 2423.3'N, LONG 13735.5'W Running Fix (Problems with NP Tables)
C On 14 September your 1810 ZT DR position is LAT 2712.0' S, LONG 7110.0' E. You are on course 060T at a speed of 15.0 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 1822 running fix. (See Navigation Problems Question Tables NP-0011 Below) LAT 2709.2'S, LONG 7111.3'E LAT 2704.5'S, LONG 7122.4'E LAT 2711.0'S, LONG 7114.5'E LAT 2707.5'S, LONG 7118.6'E Running Fix (Problems with NP Tables)
D On 18 May your 1030 ZT DR position is LAT 2041'N, LONG 6332'W. You are on course 106T, speed 24 knots. Determine your 1200 position using the following observations of the Sun.
{{{
Zone Time     GHA       Declination     Ho
1204        6154.6'     N 1937.6'   8839.7'
1210        6324.6'     N 1937.7'   8859.2'}}}
LAT 1838.7'N, LONG 6259.2'W LAT 1833.6'N, LONG 6254.3'W LAT 1835.2'N, LONG 6249.7'W LAT 1841.1'N, LONG 6253.9'W Fix or Running Fix. Sun
A On 26 July your 1030 ZT DR position is LAT 1825'N, LONG 5115'W. You are on course 231T, speed 15 knots. Determine your 1200 position using the following observations of the Sun.
{{{
(5.1.4.1-2)
ZT        GHA     DECLINATION     Ho
1228    5023.5'   N 1921.9'   8814.3'
1236    5223.5'   N 1921.8'   8829.0'}}}
LAT 1807.2'N, LONG 5130.4'W LAT 1800.9'N, LONG 5131.9'W LAT 1810.6'N, LONG 5125.1'W LAT 1803.5'N, LONG 5136.2'W Fix or Running Fix. Sun
A On 13 November your 1030 ZT DR position is LAT 1903'S, LONG 634'E. You are on course 164T, speed 12 knots. Determine your 1200 position using the following observations of the Sun.
5.1.4.1-3
{{{
ZT      GHA      DECLINATION     Ho
1112  35155.4'  S 1800.4'   8808.0'
1121  35410.4'  S 1800.5'   8833.9'}}}
LAT 1922.3'S, LONG 637.8'E LAT 1915.8'S, LONG 636.8'E LAT 1917.6'S, LONG 639.2'E LAT 1920.1'S, LONG 641.4'E Fix or Running Fix. Sun
C On 15 November your 1030 ZT DR position is LAT 1725'S, LONG 4212'W. You are on course 059T, speed 22 knots. Determine your 1200 position using the following observations of the Sun.
{{{
ZT      GHA      DECLINATION    Ho
1128  4050.4'   S 1833.6'   8818.4'
1133  4205.4'   S 1833.6'   8837.7}}}
LAT 1702.1'S, LONG 4148.4'W LAT 1708.9'S, LONG 4140.4'W LAT 1706.8'S, LONG 4144.3'W LAT 1700.0'S, LONG 4145.8'W Fix or Running Fix. Sun
B On 15 November your 1030 ZT DR position is LAT 1941'S, LONG 4137'W. You are on course 239T, speed 22 knots. Determine your 1200 position using the following observations of the Sun.
{{{
(5.1.4.1-5)
ZT      GHA    DECLINATION     Ho
1128  4050.4'  S 1833.6'   8818.4'
1133  4205.4'  S 1833.6'   8837.7'}}}
LAT 2004.3'S, LONG 4209.8'W LAT 2001.0'S, LONG 4205.9'W LAT 2006.7'S, LONG 4206.1'W LAT 2008.1'S, LONG 4200.7'W Fix or Running Fix. Sun
D On 18 May your 1030 ZT DR position is LAT 2041'N, LONG 6332'W. You are on course 106T, speed 24 knots. Determine your 1200 position using the following observations of the Sun.
{{{
Zone Time     GHA       Declination     Ho
1204        6154.6'     N 1937.6'   8839.7'
1210        6324.6'     N 1937.7'   8859.2'}}}
LAT 2025.2'N, LONG 6256.9'W LAT 2030.1'N, LONG 6301.9'W LAT 2027.6'N, LONG 6252.4'W LAT 2032.6'N, LONG 6257.5'W Fix or Running Fix. Sun
C On 30 July your 1030 ZT DR position is LAT 1902'N, LONG 13812'W. You are on course 309T, speed 24 knots. Determine your 1200 position using the following observations of the Sun.
{{{
(5.1.4.1-7)
ZT       GHA      DECLINATION      Ho
1220   13825.0'   N 1822.3'   8843.3'
1226   13955.0'   N 1822.2'   8824.0'}}}
LAT 1932.6'N, LONG 13849.4'W LAT 1928.0'N, LONG 13835.2'W LAT 1929.7'N, LONG 13842.0'W LAT 1934.5'N, LONG 13840.9'W Fix or Running Fix. Sun
A On 30 July your 1030 ZT DR position is LAT 1746'N, LONG 13930'W. You are on course 129T, speed 24 knots. Determine your 1200 position using the following observations of the Sun.
{{{
(5.1.4.1-8)
ZT      GHA     DECLINATION      Ho
1220  13825.0'  N 1822.3'    8843.3'
1226  13955.0'  N 1822.2'    8824.0'}}}
LAT 1715.1'N, LONG 13900.0'W LAT 1718.7'N, LONG 13907.6'W LAT 1724.0'N, LONG 13859.8'W LAT 1721.6'N, LONG 13856.2'W Fix or Running Fix. Sun
D At 0900 zone time on 23 September your DR position is LAT 2848.0'N, LONG 15311.5'W. You are steering course 257T at a speed of 18.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1020 running fix? (See Navigation Problems Question Tables NP-0001 Below) 2846.4'N, 15334.6'W 2843.3'N, 15332.1'W 2852.8'N, 15330.6'W 2849.1'N, 15337.0'W Running Fix (Problems with NP Tables)
C At 0100 zone time on 23 September your DR position is LAT 2425.0'N, LONG 8300.0'W. You are steering course 315T. The speed over the ground is 10.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1100 running fix? (See Navigation Problems Question Tables NP-0002 Below) LAT 2528.3'N, LONG 8434.3'W LAT 2542.6'N, LONG 8418.7'W LAT 2535.3'N, LONG 8417.0'W LAT 2530.4'N, LONG 8428.6'W Running Fix (Problems with NP Tables)
C Your 0745 ZT 15 July position is LAT 2904.0'N, LONG 7117.5'W. You are on course 165T, and your speed is 8.0 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1130 running fix? (See Navigation Problems Question Tables NP-0003 Below) LAT 2839.8'N, LONG 7104.0'W LAT 2843.3'N, LONG 7102.5'W LAT 2835.0'N, LONG 7108.5'W LAT 2840.5'N, LONG 7113.0'W Running Fix (Problems with NP Tables)
A At 0600 zone time, on 16 March your DR position is LAT 2010.0'N, LONG 8130.0'W. You are steering course 300T. The speed over the ground is 10 knots. You observed 3 morning sun lines. Determine the latitude and longitude of your 1130 running fix? (See Navigation Problems Question Tables NP-0004 Below) LAT 2039.0'N, LONG 8222.9'W LAT 2042.5'N, LONG 8226.2'W LAT 2032.0'N, LONG 8216.4'W LAT 2028.5'N, LONG 8212.6'W Running Fix (Problems with NP Tables)
A On 23 August in DR position LAT 2422.0'S, LONG 6455.3'E, you take an ex-meridian observation of the Moon's upper limb at upper transit. The chronometer time of the sight is 02h 15m 04s, and the chronometer error is 01m 06s fast. The sextant altitude (hs) is 4803.6'. The index error is 2.0' on the arc, and your height of eye is 60 feet (21.0 meters). What is the latitude at meridian transit? 2420.5'S 2449.5'S 2424.8'S 2422.8'S Latitude at Meridian Transit
D On 30 March in DR position LAT 2026.2'N, LONG 13117.9'E, you take an ex-meridian observation of the Moon's lower limb at upper transit. The chronometer time of the sight is 10h 36m 02s, and the chronometer error is 02m 06s slow. The sextant altitude (hs) is 4821.4'. The index error is 2.0' on the arc, and your height of eye is 40 feet. What is the latitude at meridian transit? LAT 2044.8'N LAT 2015.6'N LAT 2023.7'N LAT 2031.9'N Latitude at Meridian Transit
A On 22 August in DR position LAT 2941.8'N, LONG 3315.5'W, you take an ex-meridian observation of the Moon's upper limb at upper transit. The chronometer time of the sight is 08h 00m 02s, and the chronometer error is 02m 20s slow. The sextant altitude (hs) is 7432.4'. The index error is 1.5' off the arc, and your height of eye is 48 feet. What is the latitude at meridian transit? LAT 2947.8'N LAT 2949.7'N LAT 2941.3'N LAT 2939.3'N Latitude at Meridian Transit
D On 19 November in DR position LAT 2003.5'N, LONG 12948.0'W, you take an ex-meridian observation of the planet Venus at upper transit. The chronometer time of the sight is 11h 29m 44s, and the chronometer error is 01m 23s slow. The sextant altitude (hs) is 4354.3'. The index error is 2.0' off the arc, and your height of eye is 48 feet. What is the latitude at meridian transit? 1950.6'N 1953.2'N 2008.2'N 1958.0'N Latitude at Meridian Transit
D On 17 November in DR position LAT 0114.4'S, LONG 14845.5'E, you take an ex-meridian observation of the planet Venus at upper transit. The chronometer time of the sight is 05h 31m 42s, and the chronometer error is 01m 50s fast. The sextant altitude (hs) is 6441.1'. The index error is 1.8' off the arc, and your height of eye is 50 feet. What is the latitude at meridian transit? LAT 0120.2'S LAT 0116.3'S LAT 0114.4'S LAT 0118.0'S Latitude at Meridian Transit
D On 16 June in DR position LAT 5057.0'S, LONG 5303.9'W (ZD+4), you take an ex-meridian observation of Acrux at lower transit. The chronometer time of the sight is 10h 08m 18s, and the chronometer error is 02m 12s fast. The sextant altitude (hs) is 2349.0'. The index error is 1.1' off the arc, and your height of eye is 26 feet. What is the latitude at meridian transit? 5102.2'S 5141.2'S 5133.0'S 5041.2'S Latitude at Meridian Transit
A On 8 May in DR position LAT 3026.0'N, LONG 4655.1'W, you take an ex-meridian observation of Dubhe. The chronometer time of the sight is 11h 10m 54s, and the chronometer error is 01m 18s slow. The sextant altitude (hs) is 5835.0'. The index error is 1.5' on the arc, and your height of eye is 44 feet. What is the latitude at meridian transit? LAT 3019.8'N LAT 3035.8'N LAT 3012.5'N LAT 3027.6'N Latitude at Meridian Transit
A On 15 December in DR position LAT 2324.0'N, LONG 5536.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 03h 45m 19s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 4302.3'. The index error is 2.6' on the arc, and your height of eye is 65.0 feet. What is the latitude at meridian transit? LAT 2333.5'N LAT 2335.8'N LAT 2340.6'N LAT 2338.1'N Latitude at Meridian Transit Sun
B On 30 December in DR position LAT 2824.0'S, LONG 3215.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 02h 09m 16s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 8403.3'. The index error is 3.5' off the arc, and your height of eye is 62.0 feet. What is the latitude at meridian transit? LAT 2850.6'S LAT 2851.9'S LAT 2854.2'S LAT 2856.6'S Latitude at Meridian Transit Sun
D On 16 November your 1200 ZT DR position is LAT 2648.0'S, LONG 12432.0'W. Your vessel is on course 078T, speed 17.0 knots. You observe an ex-meridian of the Sun's lower limb. The sextant (hs) reads 8141.3'. The index error is 1.5' off the arc, and your height of eye is 56 feet. The chronometer time of the observation is 08h 15m 32s, and the chronometer is 03m 06s fast. What is your latitude at meridian transit? 2652.3'S 2649.5'S 2647.1'S 2642.6'S Latitude at Meridian Transit Sun
B On 29 October in DR position LAT 4112.0'N, LONG 5018.9'W, you take an ex-meridian observation of the Sun's lower limb, near upper transit. The chronometer time of the sight is 03h 21m 12s, and the chronometer error is 01m 50s slow. The sextant altitude (hs) is 3454.2'. The index error is 2.0' on the arc, and your height of eye is 45 feet. What is the latitude at meridian transit? 4112.0'N 4116.0'N 4120.2'N 4123.6'N Latitude at Meridian Transit Sun
C On 27 March in DR position LAT 3231.0'N, LONG 7625.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 05h 23m 32s, and the chronometer error is 01m 30s fast. The sextant altitude (hs) is 5959.0'. The index error is 1.8' off the arc, and your height of eye is 52 feet. What is the latitude at meridian transit? LAT 3237.6'N LAT 3246.2'N LAT 3229.5'N LAT 3221.6'N Latitude at Meridian Transit Sun
C On 15 March in DR position LAT 2142.0'N, LONG 5526.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 04h 02m 40s, and the chronometer error is 02m 24s fast. The sextant altitude (hs) is 6615.6'. The index error is 2.8' on the arc, and your height of eye is 56 feet. What is the latitude at meridian transit? 2112.0'N 2118.0'N 2132.0'N 2124.4'N Latitude at Meridian Transit Sun
C On 30 August in DR position LAT 2634.0'N, LONG 14136.0'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 09h 15m 26s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 7141.7'. The index error is 3.2' off the arc, and your height of eye is 49.6 feet. What is the latitude at meridian transit? LAT 2644.6'N LAT 2652.3'N LAT 2641.9'N LAT 2648.2'N Latitude at Meridian Transit Sun
A On 10 March in DR position LAT 2142.0'S, LONG 5728.0'E, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 08h 28m 17s, and the chronometer error is 00m 00s. The sextant altitude (hs) is 7208.0'. The index error is 3.4' on the arc, and your height of eye is 52.7 feet. What is the latitude at meridian transit? LAT 2145.5'S LAT 2132.5'S LAT 2150.2'S LAT 2140.6'S Latitude at Meridian Transit Sun
A On 15 October an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1146 ZT. Your DR position is LAT 2242.0'N, LONG 13952.0'E, and your sextant altitude (hs) is 5830.4'. The index error is 3.4' on the arc, and your height of eye is 56.7 feet. The chronometer time of the observation is 02h 45m 06s, and the chronometer error is 01m 06s slow. Find the latitude at meridian transit from the ex-meridian observation. LAT 2235.2'N LAT 2229.1'N LAT 2320.6'N LAT 2258.1'N Latitude at Meridian Transit Sun
C On 30 October an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1144 ZT. Your DR position is LAT 2242.0'S, LONG 13716.0'W, and your sextant altitude (hs) is 8059.4'. The index error is 2.5' off the arc, and your height of eye is 42.5 feet. The chronometer time of the observation is 08h 46m 15s, and the chronometer error is 02m 12s fast. Find the latitude at meridian transit from the ex-meridian observation. LAT 2242.3'S LAT 2300.9'S LAT 2231.4'S LAT 2246.2'S Latitude at Meridian Transit Sun
B On 15 August an ex-meridian altitude of the Sun's lower limb at upper transit was observed at 1130 ZT. Your DR position is LAT 2624.0'S, LONG 15502.0'E, and your sextant altitude (hs) is 4845.9'. The index error is 2.6' on the arc, and your height of eye is 51.5 feet. The chronometer time of the observation is 01h 27m 38s, and the chronometer error is 02m 14s slow. Find the latitude at meridian transit from the ex-meridian observation. LAT 2709.9'S LAT 2651.6'S LAT 2632.6'S LAT 2657.0'S Latitude at Meridian Transit Sun
B On 5 May in DR position LAT 3834.5'N, LONG 12420.7'W, you take an ex-meridian observation of the Sun's lower limb. The chronometer time of the sight is 07h 59m 10s, and the chronometer error is 01m 10s slow. The sextant altitude (hs) is 6727.0'. The index error is 1.4' on the arc, and your height of eye is 30 feet. What is the latitude at meridian transit? LAT 3826.4'N LAT 3836.0'N LAT 3841.2'N LAT 3830.2'N Latitude at Meridian Transit Sun
A On 16 December your 1810 zone time DR position is LONG 12946.5' W. At that time you observe Polaris with a sextant altitude (hs) of 2356.8'. The chronometer time of the sight is 03h 12m 31s, and the chronometer error is 02m 16s fast. The index error is 2.5' off the arc, and the height of eye is 52.6 feet. What is your latitude by Polaris? 2307.8'N 2411.9'N 2418.6'N 2312.3'N Latitude by Polaris
D On 11 February your 1832 zone time DR position is LONG 11052.6' W. At that time you observe Polaris with a sextant altitude (hs) of 2619.8'. The chronometer time of the sight is 01h 34m 56s, and the chronometer error is 02m 16s fast. The index error is 2.7' off the arc, and the height of eye is 60.2 feet. What is your latitude by Polaris? 2634.2'N 2534.2'N 2627.2'N 2527.2'N Latitude by Polaris
B On 6 March your 1854 zone time DR position is LAT 2351.5' N, LONG 7314.0' W. At that time you observe Polaris with a sextant altitude (hs) of 2416.5'. The chronometer time of the sight is 11h 52m 40s, and the chronometer error is 01m 56s slow. The index error is 5.0' on the arc, and the height of eye is 43.5 feet (13.3 meters.) What is your latitude by Polaris? 2349.9'N 2336.3'N 2402.9'N 2329.5'N Latitude by Polaris
A On 29 July your 1930 zone time DR position is LONG 16426.0' E. At that time you observe Polaris with a sextant altitude (hs) of 2346.8'. The chronometer time of the sight is 08h 32m 18s, and the chronometer error is 02m 26s fast. The index error is 2.7' on the arc, and the height of eye is 56.0 feet. What is your latitude by Polaris? 2419.5'N 2401.9'N 2431.7'N 2519.6'N Latitude by Polaris
C On 24 September your 1841 zone time DR position is LAT 2515.0' N, LONG 12934.5' E. At that time you observe Polaris with a sextant altitude (hs) of 2520.8'. The chronometer time of the sight is 09h 38m 12s, and the chronometer error is 03m 12s slow. The index error is 4.3' off the arc, and the height of eye is 52.0 feet. What is your latitude by Polaris? 2516.0'N 2428.4'N 2537.6'N 2542.3'N Latitude by Polaris
B On 29 April your 1913 zone time DR position is LAT 2209.0' N, LONG 5616.0' W. At that time you observe Polaris with a sextant altitude (hs) of 2225.8'. The chronometer time of the sight is 11h 11m 14s, and the chronometer error is 02m 18s slow. The index error is 1.5' off the arc, and the height of eye is 61.5 feet. What is your latitude by Polaris? 2248.8'N 2239.9'N 2139.9'N 2155.7'N Latitude by Polaris
B On 14 March your 1846 ZT DR position is LAT 2157.6' N, LONG 13216.2' W. At that time you observe Polaris with a sextant altitude (hs) of 2216.8'. The chronometer time of the sight is 03h 45m 10s, and the chronometer error is 01m 32s slow. The index error is 3.2' off the arc, and the height of eye is 44.9 feet. What is your latitude by Polaris? 2132.4'N 2149.8'N 2151.0'N 2153.1'N Latitude by Polaris
A On 16 February your 1845 ZT DR position is LAT 2550.5' N, LONG 4624.0' W. At that time you observe Polaris with a sextant altitude (hs) of 2625.5'. The chronometer time of the sight is 09h 47m 30s and the chronometer error is 02m 16s fast. The index error is 2.5' off the arc, and the height of eye is 55.0 feet. What is your latitude by Polaris? 2538.0'N 2600.1'N 2637.5'N 2544.2'N Latitude by Polaris
D On 15 July at 0447 ZT, your vessel's DR position is LAT 2242' N, LONG 12636' E. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 2346.2' with an index error of 1.6' off the arc. Your chronometer reads 08h 48m 28s, and is 1m 16s fast. What is your latitude by Polaris, given a height of eye of 33 feet? 2250.2'N 2246.2'N 2244.1'N 2254.1'N Latitude by Polaris
D On 7 March at 1838 ZT, in DR position LAT 3426.9' N, LONG 5816.2' W, you observe Polaris for latitude. The sextant altitude (hs) is 3508.4'. The index error is 2.5' off the arc. The height of eye is 54 feet. What is the latitude at the time of the sight? 3436.8'N 3429.8'N 3434.8'N 3433.4'N Latitude by Polaris
A On 22 May at 0440 ZT, your vessel's DR position is LAT 2324' N, LONG 11024' W. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 2340.9' with an index error of 1.6' on the arc. Your chronometer reads 11h 42m 14s, and is 2m 36s fast. What is your latitude by Polaris, given a height of eye of 24 feet? 2331.2'N 2332.8'N 2328.6'N 2330.0'N Latitude by Polaris
B On 13 October at 1847 ZT, your vessel's DR position is LAT 4217.4' N, LONG 13846.2' W. At approximately this time, you obtain a sextant altitude (hs) of Polaris reading 4216.8', with an index error of 3.2' on the arc. Your chronometer reads 03h 45m 20s and is 1m 32s slow. What is your latitude by Polaris, given a height of eye of 44 feet? 4216.0'N 4209.1'N 4212.5'N 4219.5'N Latitude by Polaris
D On 16 January at 1804 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 3612' N, LONG 12436' W, and your sextant reads (hs) 3716.4'. Your chronometer reads 02h 02m 12s, and is 01m 36s slow. Your height of eye is 60 feet, and the index error is 1.5' on the arc. From your observation of Polaris, what is the latitude of your vessel? 3614.4'N 3620.2'N 3612.6'N 3617.9'N Latitude by Polaris
A On 14 March at 1845 ZT, you take a sextant observation of Polaris. Your DR position is LAT 2910' N, LONG 15430' W, and your sextant reads 2953.5'. Your chronometer reads 04h 42m 36s, and the chronometer error is 02m 24s slow. Your height of eye is 24 feet, and the index error is 1.3' off the arc. Determine the latitude by Polaris. 2921.3'N 2918.0'N 2915.5'N 2911.7'N Latitude by Polaris
B On 7 May you observe Polaris for latitude at 0303 ZT. Your DR position is LAT 5635.4' N, LONG 0538.9' W. The sextant altitude is 5611.1'. The height of eye is 36', and the index error is 3.3' off the arc. What is the latitude at the time of the sight? 5635.0'N 5638.7'N 5624.6'N 5632.6'N Latitude by Polaris
A On 15 February at 0610 ZT, in DR position LAT 5653.0' N, LONG 15702.9' E, you observe Polaris at a sextant altitude (hs) of 5610.4'. The index error is 2.5' on the arc, and the height of eye is 18 meters. What is the latitude? 5641.8'N 5648.1'N 5710.6'N 5647.9'N Latitude by Polaris
C On 28 October at 1754 ZT, your vessel's DR position is LAT 2830' N, LONG 6324' W. At this time, you obtain a sextant altitude (hs) of Polaris reading 2842.6', with an index error of 2.4' on the arc. Your chronometer reads 09h 50m 00s, and is 4m 14s slow. What is your latitude by Polaris, given a height of eye of 28 feet (8.5 meters)? 2830.6'N 2825.2'N 2834.9'N 2841.3'N Latitude by Polaris
D On 5 May at 1953 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 2930.0' N, LONG 6625.7' W, and your sextant reads 2907.2'. Your chronometer reads 11h 51m 45s, and your chronometer error is 01m 36s slow. Your height of eye is 56 feet, and the index error for your sextant is 1.5' on the arc. What is the latitude of your vessel from your observation of Polaris? 2938.8'N 2914.3'N 2932.3'N 2923.6'N Latitude by Polaris
A On 16 July at 2000 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 2722.0' N, LONG 14835.0' W, and your sextant reads 2657.5'. Your chronometer reads 05h 59m 16s, and your chronometer error is 01m 28s slow. Your height of eye is 48 feet, and the index error for your sextant is 1.3' off the arc. What is the latitude of your vessel from your observation of Polaris? 2736.1'N 2658.8'N 2652.1'N 2743.4'N Latitude by Polaris
C On 10 June your 2010 zone time DR position is LAT 4110.0' N, LONG 6115.0' W. At that time, you observe Polaris with a sextant altitude (hs) of 4035.8'. The chronometer time of the sight is 00h 08m 18s, and the chronometer error is 01m 54s slow. The index error is 2.0' on the arc, and the height of eye is 40 feet. What is your latitude by Polaris? 4110.6'N 4118.3'N 4115.0'N 4121.2'N Latitude by Polaris
A On 24 September your 1841 zone time DR position is LONG 12934.5' E. At that time you observe Polaris with a sextant altitude (hs) of 2520.8'. The chronometer time of the sight is 09h 38m 12s, and the chronometer error is 03m 12s slow. The index error is 4.3' off the arc, and the height of eye is 52 feet (15.9 meters). What is your latitude by Polaris? 2537.6'N 2428.1'N 2542.3'N 2516.0'N Latitude by Polaris
C On 18 November your 1750 zone time DR position is LONG 11016.0' W. At that time you observe Polaris with a sextant altitude (hs) of 2129.8'. The chronometer time of the sight is 00h 52m 43s, and the chronometer error is 02m 18s fast. The index error is 3.2' on the arc, and the height of eye is 49.5 feet. What is your latitude by Polaris? 2113.4'N 2128.1'N 2103.4'N 2135.1'N Latitude by Polaris
D On 2 January your 1759 zone time DR longitude is 4517.6' W. At that time you observe Polaris with a sextant altitude (hs) of 2416.5'. The chronometer time of the sight is 08h 57m 10s, and the chronometer error is 02m 16s slow. The index error is 3.5' on the arc, and the height of eye is 42.5 feet. What is your latitude by Polaris? 2330.8'N 2250.2'N 2348.8'N 2318.8'N Latitude by Polaris
C On 3 January your 1759 zone time DR position is LONG 6053.2' W. At that time you observe Polaris with a sextant altitude (hs) of 2255.8'. The chronometer time of the sight is 09h 57m 10s, and the chronometer error is 02m 26s slow. The index error is 2.9' off the arc, and the height of eye is 52.5 feet. What is your latitude by Polaris? 2152.5'N 2135.2'N 2203.6'N 2222.6'N Latitude by Polaris
D On 12 March your 1846 zone time DR position is LONG 12916.5' W. At that time you observe Polaris with a sextant altitude (hs) of 2801.5'. The chronometer time of the sight is 03h 44m 10s, and the chronometer error is 01m 55s slow. The index error is 2.2' off the arc, and the height of eye is 59.8 feet (18.2 m). What is your latitude by Polaris? 2740.9'N 2754.4'N 2806.9'N 2733.7'N Latitude by Polaris
A On 11 March your 1846 zone time DR position is LAT 2505.7' N, LONG 12429.0' W. At that time you observe Polaris with a sextant altitude (hs) of 2559.1'. The chronometer time of the sight is 02h 44m 01s, and the chronometer error is 02m 15s slow. The index error is 3.9' on the arc, and the height of eye is 42.7 feet (13.0 meters). What is your latitude by Polaris? 2517.9'N 2615.2'N 2528.1'N 2514.2'N Latitude by Polaris
A On 22 August your 1852 zone time DR position is LONG 15554.0' E. At that time you observe Polaris with a sextant altitude (hs) of 2736.9'. The chronometer time of the sight is 08h 54m 06s, and the chronometer error is 02m 20s fast. The index error is 3.6' off the arc, and the height of eye is 61.5 feet. What is your latitude by Polaris? 2805.9'N 2809.5'N 2705.5'N 2731.0'N Latitude by Polaris
B On 6 December your 0800 zone time DR position was LAT 2148.0'N, LONG 12430.0'E. Your vessel was steaming on course 045T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 1012 ZT. The chronometer read 02h 10m 42s and was slow 01m 02s. The observed altitude (Ho) was 4117.1'. LAN occurred at 1129 zone time. The observed altitude (Ho) was 4453.7'. What was the longitude of your 1200 zone time running fix? LONG 12528.9'E LONG 12535.2'E LONG 12525.0'E LONG 12532.5'E Longitude of Fix or Running Fix.
A On 7 November your 0830 zone time position was LAT 2736.0'N, LONG 16219.0'W. Your vessel was steaming on course 289T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0945 ZT. The chronometer read 08h 43m 11s and was slow 01m 51s. The observed altitude (Ho) was 3821.1'. Local Apparent Noon (LAN) occurred at 1138 zone time. The observed altitude (Ho) was 4535.0'. What was the longitude of your 1200 zone time running fix? 16338.8'W 16334.0'W 16326.0'W 16330.2'W Longitude of Fix or Running Fix.
B On 8 February your 0800 zone time (ZT) position was LAT 2855.0'S, LONG 5227.0'W. Your vessel was steaming on course 036T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0938 ZT. The chronometer read 12h 37m 23s and was slow 01m 24s. The observed altitude (Ho) was 4529.2'. Local Apparent Noon (LAN) occurred at 1240 ZT. The observed altitude (Ho) was 7710.5'. What was the longitude of your 1200 ZT running fix? 5129.6'W 5135.4'W 5133.1'W 5131.4'W Longitude of Fix or Running Fix.
D On 17 January your 0730 zone time fix gives you a position of LAT 2226.0'S, LONG 15217.0'E. Your vessel is steaming on a course of 116T at a speed of 17 knots. An observation of the Sun's lower limb is made at 1015 zone time. The chronometer reads 00h 13m 23s, and the chronometer error is 01m 49s slow. The observed altitude (Ho) is 6602.1'. LAN occurs at 1152 zone time and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) is 8754.2'. Determine the vessel's 1200 zone time position. LAT 2256.3'S, LONG 15325.6'E LAT 2256.3'S, LONG 15328.8'E LAT 2253.8'S, LONG 15328.8'E LAT 2253.8'S, LONG 15325.6'E Longitude of Fix or Running Fix.
A On 11 November your 0730 zone time position was LAT 1958.0'N, LONG 14354.0'W. Your vessel was steaming on course 084T at a speed of 15.0 knots. An observation of the Sun's lower limb was made at 0931 ZT. The chronometer read 07h 29m 22s and was slow 02m 22s. The observed altitude (Ho) was 4417.6'. LAN occurred at 1125 zone time (ZD +10). The observed altitude (Ho) was 5217.4'. What was the longitude of your 1200 zone time running fix? 14240.2'W 14244.2'W 14234.7'W 14237.1'W Longitude of Fix or Running Fix.
D On 30 August your 0554 zone time (ZT) position was LAT 2539.0'S, LONG 3151.0'E. Your vessel was steaming on course 325T at a speed of 15.0 knots. An observation of the Sun's lower limb was made at 0836 ZT. The chronometer read 06h 38m 36s and was fast 02m 24s. The observed altitude (Ho) was 3049.2'. LAN occurred at 1157 ZT. The observed altitude (Ho) was 5640.0'. What was the longitude of your 1157 ZT running fix? 3055.9'E 3059.8'E 3057.6'E 3052.5'E Longitude of Fix or Running Fix.
B On 20 November your 0612 zone time (ZT) position was LAT 2538.0'N, LONG 16654.0'W. Your vessel was steaming on course 126T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0854 ZT. The chronometer read 07h 51m 14s and was slow 02m 52s. The observed altitude (Ho) was 2758.3'. LAN occurred at 1147 ZT. The observed altitude (Ho) was 4535.0'. What was the longitude of your 1147 ZT running fix? 16520.2'W 16512.5'W 16518.4'W 16515.8'W Longitude of Fix or Running Fix.
C On 23 May your 0628 zone time position was LAT 2818.0'S, LONG 10242.0'E. Your vessel was steaming on course 040T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0758 ZT. The chronometer read 01h 02m 06s and was fast 04m 04s. The observed altitude (Ho) was 1316.7'. LAN occurred at 1201 zone time. The observed altitude (Ho) was 4232.0'. What was the longitude of your 1201 zone time running fix? 10406.3'E 10400.4'E 10403.5'E 10357.9'E Longitude of Fix or Running Fix.
C On 16 February your 0640 zone time (ZT) position was LAT 2346.0'N, LONG 15624.0'W. Your vessel was steaming on course 222T at a speed of 18.0 knots. An observation of the Sun's lower limb was made at 0910 ZT. The chronometer read 07h 08m 06s and was slow 01m 56s. The observed altitude (Ho) was 2715.8'. LAN occurred at 1245 ZT (ZD +10). The observed altitude (Ho) was 5525.3'. What was the longitude of your 1245 ZT running fix? 15745.7'W 15737.2'W 15742.0'W 15747.2'W Longitude of Fix or Running Fix.
C On 27 March your 0730 zone time position is LAT 2816'N, LONG 5637'W. Your vessel is on course 158T at a speed of 15.0 knots. An observation of the Sun's lower limb is made at 0915 zone time. The chronometer reads 01h 14m 11s, and the chronometer error is 00m 53s slow. The observed altitude (Ho) is 4510.7'. LAN occurs at 1150 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) is 6532.8'. Determine the vessel's 1200 zone time position. LAT 2711.6'N, LONG 5604.2'W LAT 2708.8'N, LONG 5610.3'W LAT 2708.8'N, LONG 5604.2'W LAT 2711.6'N, LONG 5610.3'W Longitude of Fix or Running Fix.
A On 22 February your 0800 zone time position is LAT 2416'S, LONG 9537'E. Your vessel is on course 126T at a speed of 14 knots. An observation of the Sun's lower limb is made at 0945 zone time. The chronometer reads 03h 47m 22s, and the chronometer error is 02m 37s fast. The observed altitude (Ho) is 5702.1'. LAN occurs at 1148 zone time, and a meridian altitude of the Sun's lower limb is made. The observed meridian altitude (Ho) is 7522.3'. Determine the vessel's 1200 zone time position. LAT 2452.2'S, LONG 9624.0'E LAT 2449.3'S, LONG 9624.0'E LAT 2452.2'S, LONG 9627.2'E LAT 2449.3'S, LONG 9627.2'E Longitude of Fix or Running Fix.
B On 8 February your 0800 zone time position is LAT 2155'S, LONG 5227'W. Your vessel is on course 056T at a speed of 17.5 knots. An observation of the Sun's lower limb is made at 0938 zone time, and the observed altitude (Ho) is 4606.5'. The chronometer reads 12h 37m 23s, and the chronometer error is 1m 24s slow. LAN occurs at 1243 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 8356.1'. Determine the vessel's 1200 zone time position. LAT 2058.0'S, LONG 5125.5'W LAT 2104.0'S, LONG 5121.5'W LAT 2057.0'S, LONG 5121.5'W LAT 2104.0'S, LONG 5112.0'W Longitude of Fix or Running Fix.
B On 20 September your 0730 zone time position was LAT 2858.0'N, LONG 15226.0'W. Your vessel was steaming on course 225T at a speed of 19.0 knots. An observation of the Sun's lower limb was made at 0931 ZT. The chronometer read 07h 29m 20s and was slow 02m 22s. The observed altitude (Ho) was 4414.4'. LAN occurred at 1206 zone time. The observed altitude (Ho) was 6249.5'. What was the longitude of your 1200 zone time running fix? LONG 15332.5'W LONG 15323.5'W LONG 15320.0'W LONG 15327.2'W Longitude of Fix or Running Fix.
D On 15 August your 0512 zone time position was LAT 2918.0'N, LONG 5724.0'W. Your vessel was steaming on course 262T at a speed of 20.0 knots. An observation of the Sun's lower limb was made at 0824 ZT. The chronometer read 00h 22m 24s and was slow 01m 34s. The observed altitude (Ho) was 3816.7'. LAN occurred at 1204 zone time. The observed altitude (Ho) was 7458.0'. What was the longitude of your 1204 zone time running fix? LONG 5952.0'W LONG 5954.0'W LONG 6002.0'W LONG 5958.5'W Longitude of Fix or Running Fix.
C On 17 January your 0730 zone time position was LAT 2226.0'N, LONG 15217.0'E. Your vessel was steaming on course 136T at a speed of 17.0 knots. An observation of the Sun's lower limb was made at 1015 ZT. The chronometer read 00h 13m 23s and was slow 01m 49s. The observed altitude (Ho) was 4025.7'. LAN occurred at 1222 zone time. The observed altitude (Ho) was 4748.1'. What was the longitude of your 1200 zone time running fix? LONG 15308.3'E LONG 15318.6'E LONG 15313.1'E LONG 15304.2'E Longitude of Fix or Running Fix.
D On 29 June your 0800 zone time fix gives you a position of LAT 2616.0'S, LONG 6104.0'E. Your vessel is steaming a course of 079T at a speed of 15.5 knots. An observation of the Sun's upper limb is made at 0905 zone time, and the observed altitude (Ho) is 2520.1. The chronometer reads 05h 08m 12s, and the chronometer error is 02m 27s fast. Local apparent noon occurs at 1154 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 4044.2'. Determine the vessel's 1200 zone time position. LAT 2605.1'S, LONG 6206.3'E LAT 2602.0'S, LONG 6223.2'E LAT 2556.0'S, LONG 6203.0'E LAT 2602.0'S, LONG 6205.0'E Longitude of Fix or Running Fix.
C On 2 April your 0830 zone time fix gives you a position of LAT 2016.0'S, LONG 00412.0'E. Your vessel is steaming a course of 143T at a speed of 18.0 knots. An observation of the Sun's upper limb is made at 0903 zone time, and the observed altitude (Ho) is 4239.6'. The chronometer reads 09h 05m 40s, and the chronometer error is 02m 15s fast. Local apparent noon occurs at 1145 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 6346.2'. Determine the vessel's 1200 zone time position. LAT 2114.0'S, LONG 00455.0'E LAT 2242.0'S, LONG 00457.0'E LAT 2118.0'S, LONG 00500.5'E LAT 2110.1'S, LONG 00453.9'E Longitude of Fix or Running Fix.
C On 24 March your 0800 zone time fix gives you a position of LAT 2216.0'N, LONG 3145.0'W. Your vessel is steaming a course of 285T at a speed of 16.5 knots. An observation of the Sun's upper limb is made at 0938 zone time, and the observed altitude (Ho) is 4632.2'. The chronometer reads 11h 41m 01s, and the chronometer error is 02m 50s fast. Local apparent noon occurs at 1214 zone time, and a meridian altitude of the Sun's lower limb is made. The observed altitude (Ho) for this sight is 6855.8'. Determine the vessel's 1200 zone time position. LAT 2235.0'N, LONG 3029.0'W LAT 2236.0'N, LONG 3255.2'W LAT 2235.0'N, LONG 3251.0'W LAT 2236.0'N, LONG 3210.5'W Longitude of Fix or Running Fix.
B On 29 April your 0530 zone time position was LAT 2304.0'S, LONG 16212.0'E. Your vessel was steaming on course 120T at a speed of 9.0 knots. An observation of the Sun's upper limb was made at 0830 ZT. The chronometer read 09h 27m 32s and was slow 02m 24s. The observed altitude (Ho) was 2458.0'. LAN occurred at 1205 zone time. The observed altitude (Ho) was 5204.0'. What was the longitude of your 1200 zone time running fix? LONG 16309.5'E LONG 16306.0'E LONG 16302.1'E LONG 16311.3'E Longitude of Fix or Running Fix.
C You observe the planet Saturn at a sextant altitude (hs) of 6305.1' on 25 May. The index error is 4.5' off the arc. The height of eye is 62 feet. What is the observed altitude (Ho)? 6302.9' 6300.6' 6301.5' 6304.1' Observed Altitude (Ho)
A You observe the planet Jupiter at a sextant altitude (hs) of 6627.6' on 26 May. The index error is 5.2' on the arc. The height of eye is 52 feet. What is the observed altitude (Ho)? 6615.0' 6627.2' 6532.8' 6539.5' Observed Altitude (Ho)
D During twilight on 28 December around 1800 GMT, in DR position LAT 400'N, LONG 006'W, the sextant altitude (hs) of Venus was 3046.8'. The height of eye was 36 feet, and the index error was 2.0' on the arc. The temperature was 68F. The barometer read 1030 mb. Calculate the observed altitude (Ho). Ho 3037.1' Ho 3035.2' Ho 3040.3' Ho 3038.1' Observed Altitude (Ho)
B During evening twilight on 28 December a sextant altitude (hs) of the planet Venus was 2943.2'. The height of eye was 40 feet, and the index error was 2.0' on the arc. What was the observed altitude (Ho)? 2938.2' 2934.1' 2936.3' 2936.0' Observed Altitude (Ho)
A You observe the star Deneb at a sextant altitude (hs) of 4834.8' on 16 December. The index error is 4.0' off the arc. The height of eye is 58 feet. What is the observed altitude (Ho)? 4830.5' 4831.4' 4802.9' 4846.5' Observed Altitude (Ho)
A On 29 June you observe the star Achernar at a sextant altitude (Hs) of 5418.9'. The index error is 4.7' off the arc. The height of eye is 58 feet. What is the observed altitude (Ho)? 5415.5' 5431.5' 5406.1' 5443.7' Observed Altitude (Ho)
A You observe the star Antares at a sextant altitude (hs) of 3818.7' on 28 February. The index error is 2.4' on the arc. The height of eye is 40 feet (12.2 meters). What is the observed altitude (Ho)? 3809.0' 3807.5' 3812.5' 3810.5' Observed Altitude (Ho)
A You observe the lower limb of the Sun at a sextant altitude (hs) of 2400.7' on 10 January. The index error is 2.6' off the arc. The height of eye is 55 feet. What is the observed altitude (Ho)? 2410.2' 2408.9' 2411.8' 2407.4' Observed Altitude (Ho)
D You observe the lower limb of the Sun at a sextant altitude (hs) of 4620.3' on 1 April. The index error is 4.5' off the arc. The height of eye is 57 feet (17.4 meters). What is the observed altitude (Ho)? 4624.2' 4630.1' 4627.9' 4632.6' Observed Altitude (Ho)
A You observe the lower limb of the Sun at a sextant altitude (hs) of 4549.7' on 13 November . The index error is 1.0' on the arc. The height of eye is 61 feet (18.6 meters). What is the observed altitude (Ho)? 4556.4' 4559.3' 4549.8' 4552.9' Observed Altitude (Ho)
A You observe the lower limb of the Sun at a sextant altitude (hs) of 5026.9' on 9 November. The index error is 1.5' on the arc. The height of eye is 56 feet (17 meters). What is the observed altitude (Ho)? 5033.5' 5004.2' 5041.4' 5018.1' Observed Altitude (Ho)
B You observe the lower limb of the Sun at a sextant altitude (hs) of 3451.4' on 18 October. The index error is 2.0' off the arc. The height of eye is 54 feet (16.5 meters). What is the observed altitude (Ho)? 3503.6' 3501.2' 3505.2' 3507.4' Observed Altitude (Ho)
A You observe the lower limb of the Sun at a sextant altitude (hs) of 3807.5' on 8 August. The index error is 5.2' off the arc. The height of eye is 72 feet (22 meters). What is the observed altitude (Ho)? 3819.2' 3823.4' 3808.4' 3813.3' Observed Altitude (Ho)
A You observe the lower limb of the Sun at a sextant altitude (hs) of 7512.3' on 6 August. The index error is 1.5' off the arc. The height of eye is 32 feet (9.8 meters). What is the observed altitude (Ho)? 7524.0' 7534.6' 7530.7' 7518.6' Observed Altitude (Ho)
C You observe the lower limb of the Sun at a sextant altitude (hs) of 5428.2' on 22 July. The index error is 1.5' off the arc. The height of eye is 56 feet (17.1 meters). What is the observed altitude (Ho)? 5436.2' 5430.9' 5437.7' 5437.9' Observed Altitude (Ho)
B On 4 July you observe the lower limb of the Sun at a sextant altitude (hs) of 2529.8'. The index error is 3.1' off the arc. The height of eye is 48 feet (14.6 meters). What is the observed altitude (Ho)? 2537.1' 2540.2' 2542.8' 2544.3' Observed Altitude (Ho)
A On 2 January you observe the lower limb of the Sun at a sextant altitude (hs) of 3550.4'. The index error is 0.8' on the arc. The height of eye is 24 feet (7.3 meters). What is the observed altitude (Ho)? 3559.7' 3554.7' 3605.6' 3550.3' Observed Altitude (Ho)
A You observe the lower limb of the Sun at a sextant altitude (hs) of 4129.8' on 11 January. The index error is 2.4' off the arc. The height of eye is 68 feet. What is the observed altitude (Ho)? 4139.4' 4136.4' 4142.0' 4144.5' Observed Altitude (Ho)
D You observe the lower limb of the Sun at a sextant altitude (hs) of 3747.2' on 11 October. The index error is 3.0' off the arc. The height of eye is 63 feet (19.2 meters). What is the observed altitude (Ho)? 3725.2' 3751.5' 3742.5' 3757.5' Observed Altitude (Ho)
D You observe the lower limb of the Sun at a sextant altitude (hs) of 3131.5' on 6 March. The index error is 2.5' on the arc. The height of eye is 76 feet. What is the observed altitude (Ho)? 3138.2' 3139.5' 3136.7' 3135.3' Observed Altitude (Ho)
D You observe the lower limb of the Sun at a sextant altitude (hs) of 5806.6' on 5 April. The index error is 1.0' off the arc. The height of eye is 55 feet (16.8 meters). What is the observed altitude (Ho)? 5814.2' 5816.9' 5818.1' 5815.8' Observed Altitude (Ho)
B You observe the lower limb of the Sun at a sextant altitude (hs) of 2824.7' on 17 May. The index error is 1.5' off the arc. The height of eye is 86 feet (26 meters). What is the observed altitude (Ho)? 2829.7' 2831.5' 2830.6' 2832.9' Observed Altitude (Ho)
B You observe the lower limb of the Sun at a sextant altitude (hs) of 6222.2' on 6 June. The index error is 1.2' on the arc. The height of eye is 28 feet (8.5 meters). What is the observed altitude (Ho)? 6236.7' 6231.4' 6226.9' 6224.8' Observed Altitude (Ho)
B You observe the lower limb of the Sun at a sextant altitude (hs) of 4244.0' on 22 June. The index error is 0.8' off the arc. The height of eye is 70 feet (21.3 meters). What is the observed altitude (Ho)? 4219.8' 4251.7' 4221.7' 4254.2' Observed Altitude (Ho)
B You observe the lower limb of the Sun at a sextant altitude (hs) of 2258.6' on 16 June. The index error is 2.0' off the arc. The height of eye is 61 feet. What is the observed altitude (Ho)? 2309.9' 2306.7' 2315.4' 2322.2' Observed Altitude (Ho)
B You observe the lower limb of the Sun at a sextant altitude (hs) of 3526.3' on 25 June. The index error is 1.5' on the arc. The height of eye is 58 feet (17.6 meters). What is the observed altitude (Ho)? 3536.7' 3532.1' 3529.9' 3528.2' Observed Altitude (Ho)
C On 26 November at 0535 ZT, while taking sights for a morning fix, you observe an unidentified planet bearing 074T at an observed altitude (Ho) of 3829.8'. Your DR position is LAT 2718.9' S, LONG 3018.4' E. The chronometer time of the sight is 03h 33m 16s, and the chronometer is 01m 48s slow. What planet did you observe? Venus Mars Saturn Jupiter Planet Identification
C On 26 November your 0535 DR position is LAT 2718.9' S, LONG 3018.4' E. You observe an unidentified planet bearing 085T at an observed altitude (Ho) of 3215.2'. The chronometer reads 03h 33m 16s, and is 01m 48s slow. What planet did you observe? Venus Saturn Jupiter Mars Planet Identification
C On 23 September while taking stars for an evening fix, an unidentified star is observed bearing 261T at an observed altitude of 6135'. Your 1836 zone time DR position is LAT 2518' S, LONG 16236' E. The chronometer reads 07h 34m 12s, and the chronometer error is 01m 54s slow. Your vessel is steaming on a course of 230T at a speed of 18 knots. What star did you observe? Canopus Sirius Antares Achernar Star Identification
A On 22 February your 1857 ZT DR position is LAT 2346.0' S, LONG 9316.5' E. You observe an unidentified star bearing 159T, at an observed altitude (Ho) of 3430.0'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe? Miaplacidus Suhail Adhara Avior Star Identification
A On 14 January your 0550 ZT DR position is LAT 2526.0' N, LONG 3816.0' W. You observe an unidentified star bearing 004.5T, at an observed altitude (Ho) of 4010.0'. The chronometer reads 08h 48m 51s and is 01m 22s slow. What star did you observe? Kochab Gacrux Gienah Eltanin Star Identification
D On 14 January your 1922 ZT DR position is LAT 2718.5' S, LONG 6718.0' E. You observe an unidentified star bearing 029T, at an observed altitude (Ho) of 2935.0'. The chronometer reads 03h 25m 43s and is 03m 15s fast. What star did you observe? Fomalhaut Markab Pollux Elnath Star Identification
D At 0520 zone time on 17 March, while taking stars for a morning fix, you observe an unidentified star bearing 050T, at an observed altitude (Ho) of 4500.0'. Your DR position at the time of the sight is LAT 2723.0'N, LONG 3942.0' W. The chronometer time of the sight is 08h 22m 15s, and the chronometer error is 01m 45s fast. Your vessel is steaming on a course of 300T at a speed of 18 knots. What star did you observe? Arcturus Altair Alkaid Deneb Star Identification
A On 13 June your 0445 DR position is LAT 2012.0' N, LONG 4445.0' W. You observe an unidentified star bearing 168T at an observed altitude (Ho) of 3856.0'. The chronometer reads 07h 43m 20s, and is 01m 39s slow. Which star did you observe? Fomalhaut Peacock Al Na'ir Ankaa Star Identification
B On 8 April your evening DR position is LAT 2216' N, LONG 15758.3' W. You observe an unidentified star bearing 246T at an observed altitude (Ho) of 5845.5'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe? Alnilam Betelgeuse Aldebaran Bellatrix Star Identification
B On 8 April your evening DR position is LAT 2216.0' N, LONG 15758.3' W. You observe an unidentified star bearing 271T at an observed altitude (Ho) of 4408.2'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe? Alnilam Aldebaran Bellatrix Betelgeuse Star Identification
D On 8 April while taking observations for an evening fix, you observe an unidentified star bearing 250.7T at an observed altitude of 5144.8'. Your DR position at the time of the sight was LAT 2216.0' N, LONG 15758.3' W. The chronometer reads 05h 09m 57s and is 01m 23s slow. What star did you observe? Aldebaran Alnilam Betelgeuse Bellatrix Star Identification
C On 8 April your evening DR position is LAT 2216.0' N, LONG 15758.3' W. You observe an unidentified star bearing 238T at an observed altitude (Ho) of 5002.7'. The chronometer reads 05h 09m 57s, and is 01m 23s slow. What star did you observe? Aldebaran Betelgeuse Alnilam Bellatrix Star Identification
B On 22 July your 1759 DR position is LAT 2450.2' S, LONG 0516.0' E. You observe an unidentified star bearing 293T at an observed altitude (Ho) of 1752.8'. The chronometer reads 06h 01m 31s, and is 02m 15s fast. What star did you observe? Miaplacidus Regulus Suhail Antares Star Identification
A On 22 July your 1759 DR position is LAT 2450.2' S, LONG 0516.0' E. You observe an unidentified star bearing 100T at an observed altitude (Ho) of 6148.2'. The chronometer reads 06h 01m 31s, and is 02m 15s fast. What star did you observe? Antares Regulus Suhail Miaplacidus Star Identification
A On 22 July your 1759 DR position is LAT 2450.2' S, LONG 00516.0' E. You observe an unidentified star bearing 203T at an observed altitude (Ho) of 2812.2'. The chronometer reads 06h 01m 31s, and is 02m 15s fast. What star did you observe? Miaplacidus Suhail Regulus Antares Star Identification
C On 22 July your 0442 DR position is LAT 2635.6' N, LONG 2216.7' W. You observe an unidentified star bearing 091T at an observed altitude (Ho) of 6435.2'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? Acamar Menkar Hamal Rigel Star Identification
C On 22 July your 0442 DR position is LAT 2635.6' N, LONG 2216.7' W. You observe an unidentified star bearing 104T at an observed altitude (Ho) of 955.7'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? Menkar Acamar Rigel Hamal Star Identification
C On 22 July your 0442 DR position is LAT 2635.6' N, LONG 2216.7' W. You observe an unidentified star bearing 149T at an observed altitude (Ho) of 1255.0'. The chronometer reads 05h 39m 03s, and is 03m 14s slow. What star did you observe? Hamal Rigel Acamar Menkar Star Identification
B On 22 June your 0424 DR position is LAT 2618.5'N, LONG 12418.2'W. You observe an unidentified star bearing 195T at an observed altitude (Ho) of 0330.7'. The chronometer reads 00h 23m 24s, and is 01m 32s slow. What star did you observe? Alioth Peacock Ankaa Schedar Star Identification
C On 22 June your 0424 DR position is LAT 2618.5' N, LONG 12418.2' W. You observe an unidentified star bearing 154T at an observed altitude (Ho) of 1501.2'. The chronometer reads 12h 23m 24s, and is 01m 32s slow. What star did you observe? Alioth Schedar Ankaa Peacock Star Identification
D On 22 June your 0424 DR position is LAT 2618.5' N, LONG 12418.2' W. You observe an unidentified star bearing 249T at an observed altitude (Ho) of 5250.7'. The chronometer reads 00h 23m 24s, and is 01m 32s slow. What star did you observe? Peacock Schedar Ankaa Altair Star Identification
C On 22 July your 1759 ZT DR position is LAT 2450.2' S, LONG 0516.0' E. You observe an unidentified star bearing 231T, at an observed altitude (Ho) of 2610.0'. The chronometer reads 06h 01m 31s and is 02m 15s fast. What star did you observe? Capella Acamar Suhail Miaplacidus Star Identification
D On 22 May your 0437 DR position is LAT 2518.5' N, LONG 5118.0' W. You observe an unidentified star bearing 142T at an observed altitude (Ho) of 2310.2'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe? Sabik Markab Diphda Fomalhaut Star Identification
A On 22 May your 0437 DR position is LAT 2518.5'N, LONG 5118.0'W. You observe an unidentified star bearing 116T at an observed altitude (Ho) of 1127.8'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe? Diphda Markab Hamal Sabik Star Identification
B On 22 May your 0437 DR position is LAT 2518.5'N, LONG 5118.0'W. You observed an unidentified star bearing 233T at an observed altitude (Ho) of 2942.3'. The chronometer reads 07h 40m 40s, and is 03m 24s fast. What star did you observe? Hamal Sabik Diphda Markab Star Identification
C On 22 April your 1852 DR position is LAT 2354.5'N, LONG 11736.8'W. You observe an unidentified star bearing 248T at an observed altitude (Ho) of 2500.9'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe? Arcturus Gienah Rigel Betelgeuse Star Identification
C On 22 April your 1852 DR position is LAT 2354.5'N, LONG 11736.8'W. You observe an unidentified star bearing 077T at an observed altitude (Ho) of 1858.7'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe? Gienah Betelgeuse Arcturus Diphda Star Identification
C On 22 April your 1852 DR position is LAT 2354.5'N, LONG 11736.8'W. You observe an unidentified star bearing 259T at an observed altitude (Ho) of 4115.2'. The chronometer reads 02h 54m 53s, and is 02m 51s fast. What star did you observe? Gienah Arcturus Betelgeuse Diphda Star Identification
A On 22 March your 0519 DR position is LAT 2720.6'N, LONG 6925.6'W. You observe an unidentified star bearing 115T at an observed altitude (Ho) of 5452.8'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe? Altair Rigel Enif Menkar Star Identification
C On 22 March your 0519 DR position is LAT 2720.6'N, LONG 6925.6'W. You observe an unidentified star bearing 200T at an observed altitude (Ho) of 3305.5'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe? Acamar Enif Antares Rigel Star Identification
B On 22 March your 0519 DR position is LAT 2720.6'N, LONG 6925.6'W. You observe an unidentified star bearing 051T at an observed altitude (Ho) of 5003.7'. The chronometer reads 10h 16m 47s, and is 02m 15s slow. What star did you observe? Acamar Deneb Menkar Enif Star Identification
D On 22 March your 1834 DR position is LAT 2613.5'S, LONG 10836.5'W. You observe an unidentified star bearing 062T at an observed altitude (Ho) of 2322.0'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. Which star did you observe? Alphard Rigel Menkar Regulus Star Identification
A On 22 July your 0442 ZT DR position is LAT 2635.6' N, LONG 2216.7' W. You observe an unidentified star bearing 112T, at an observed altitude (Ho) of 4416.0'. The chronometer reads 05h 39m 03s and is 03m 14s slow. What star did you observe? Menkar Acamar Rigel Hamal Star Identification
D On 22 March your 1834 DR position is LAT 2613.5'S, LONG 10836.5'W. You observe an unidentified star bearing 315T at an observed altitude (Ho) of 6601.2'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. What star did you observe? Regulus Menkar Alphard Rigel Star Identification
B On 22 March your 1834 DR position is LAT 2613.5'S, LONG 10836.5'W. You observe an unidentified star bearing 294T at an observed altitude (Ho) of 3302.7'. The chronometer reads 01h 32m 37s, and is 01m 50s slow. What star did you observe? Rigel Menkar Regulus Alphard Star Identification
C On 22 February your 1857 DR position is LAT 2346.0'S, LONG 9316.5'E. You observe an unidentified star bearing 126T at an observed altitude (Ho) of 4021.5'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe? Avior Miaplacidus Suhail Adhara Star Identification
C On 22 February your 1857 DR position is LAT 2346.0'S, LONG 9316.5'E. You observe an unidentified star bearing 150T at an observed altitude (Ho) of 4215.0'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe? Suhail Adhara Avior Miaplacidus Star Identification
C On 22 February your 1857 DR position is LAT 2346.0'S, LONG 9316.5'E. You observe an unidentified star bearing 108T at an observed altitude (Ho) of 6753.9'. The chronometer reads 01h 00m 35s, and is 03m 25s fast. What star did you observe? Miaplacidus Avior Adhara Suhail Star Identification
B On 14 January your 0550 DR position is LAT 2526.0'N, LONG 3816.0'W. You observe an unidentified star bearing 212T at an observed altitude (Ho) of 4142.3'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe? Eltanin Gienah Gacrux Kochab Star Identification
D On 14 January your 0550 DR position is LAT 2526.0'N, LONG 3816.0'W. You observe an unidentified star bearing 192T at an observed altitude (Ho) of 0615.2'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe? Kochab Gienah Eltanin Gacrux Star Identification
A On 14 January your 0550 DR position is LAT 2526.0'N, LONG 3816.0'W. You observe an unidentified star bearing 043T at an observed altitude (Ho) of 3712.1'. The chronometer reads 08h 48m 51s, and is 01m 22s slow. What star did you observe? Eltanin Gacrux Gienah Kochab Star Identification
B On 14 January your 1922 DR position is LAT 2718.5'S, LONG 6718.0'E. You observe an unidentified star bearing 250T at an observed altitude (Ho) of 3101.2'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. Which star did you observe? Elnath Fomalhaut Markab Pollux Star Identification
A On 14 January your 1922 DR position is LAT 2718.5'S, LONG 6718.0'E. You observe an unidentified star bearing 054T at an observed altitude (Ho) of 0752.1'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. What star did you observe? Pollux Markab Elnath Fomalhaut Star Identification
C On 22 June your 0424 ZT DR position is LAT 2618.5' N, LONG 12418.2' W. You observe an unidentified star bearing 031T at an observed altitude (Ho) of 4926.0'. The chronometer reads 00h 23m 24s and is 01m 32s slow. What star did you observe? Ankaa Peacock Schedar Alioth Star Identification
B On 14 January your 1922 DR position is LAT 2718.5'S, LONG 6718.0'E. You observe an unidentified star bearing 295T at an observed altitude (Ho) of 1350.7'. The chronometer reads 03h 25m 43s, and is 03m 15s fast. What star did you observe? Pollux Markab Elnath Fomalhaut Star Identification
C On 17 March your 0520 DR position is LAT 2723.0'N, LONG 3942.0'W. You observe an unidentified star bearing 110T at an observed altitude (Ho) of 5047.2'. The chronometer reads 08h 22m 15s, and is 01m 45s fast. What star did you observe? Deneb Alkaid Altair Arcturus Star Identification
C On 17 March your 0520 DR position is LAT 2723.0'N, LONG 3942.0'W. You observe an unidentified star bearing 313T at an observed altitude (Ho) of 4303.8'. The chronometer reads 08h 22m 15s and is 01m 45s fast. What star did you observe? Altair Deneb Alkaid Arcturus Star Identification
C On 17 March your 1845 DR position is LAT 2510.0'N, LONG 6648.0'W. You observe an unidentified star bearing 340T at an observed altitude (Ho) of 6625.1'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe? Mirfak Rigel Capella Pollux Star Identification
C On 17 March your 1845 DR position is LAT 2510.0'N, LONG 6648.0'W. You observe an unidentified star bearing 320T at an observed altitude (Ho) of 5002.9'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe? Capella Pollux Mirfak Rigel Star Identification
D On 17 March your 1845 DR position is LAT 2510.0'N, LONG 6648.0'W. You observe an unidentified star bearing 077T at an observed altitude (Ho) of 6704.4'. The chronometer reads 10h 47m 49s, and is 1m 54s fast. What star did you observe? Capella Rigel Mirfak Pollux Star Identification
D On 23 September your 1836 DR position is LAT 2518'S, LONG 16223'E. You observe an unidentified star bearing 000T at an observed altitude (Ho) of 2618'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. What star did you observe? Canopus Antares Achernar Vega Star Identification
B On 23 September your 1836 DR position is LAT 2518'S, LONG 16236'E. You observe an unidentified star bearing 148T at an observed altitude (Ho) of 1332'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. Which star did you observe? Sirius Achernar Canopus Antares Star Identification
D On 23 September your 1836 DR position is LAT 2518'S, LONG 16236'E. You observe an unidentified star bearing 022T at an observed altitude (Ho) of 1316'. The chronometer reads 07h 34m 12s, and is 01m 54s slow. What star did you observe? Antares Sirius Achernar Deneb Star Identification
C On 17 March your 0520 DR position is LAT 2723.0'N, LONG 3942.0'W. At this time you observe an unidentified star bearing 270T with an observed altitude of 4630.2'. The chronometer reads 08h 22m 15s, and is 01m 45s fast. What star did you observe? Deneb Altair Arcturus Alkaid Star Identification
B On 22 May your 0437 ZT DR position is LAT 2518.5' N, LONG 5118.0' W. You observe an unidentified star bearing 097T at an observed altitude (Ho) of 4820.0'. The chronometer reads 07h 40m 40s and is 03m 24s fast. What star did you observe? Hamal Markab Sabik Diphda Star Identification
A At 1845 zone time, on 17 March, while taking stars for an evening fix, you observe an unidentified star bearing 200T at an observed altitude of 5345.0'. Your DR position at the time of the sight is LAT 2510.0'N, LONG 6648.0'W. The chronometer time of the sight is 10h 47m 49s, and the chronometer error is 1m 54s fast. Your vessel is steaming on a course of 290T at a speed of 18.0 knots. What star did you observe? Rigel Pollux Altair Mirfak Star Identification
D On 22 April your 1852 ZT DR position is LAT 2354.5' N, LONG 11736.8' W. You observe an unidentified star bearing 129T at an observed altitude (Ho) of 2710.0'. The chronometer reads 02h 54m 53s and is 02m 51s fast. What star did you observe? Diphda Betelgeuse Arcturus Gienah Star Identification
A On 22 March your 0519 ZT DR position is LAT 2720.6' N, LONG 6925.6' W. You observe an unidentified star bearing 094T, at an observed altitude (Ho) of 3015.0'. The chronometer reads 10h 16m 47s and is 02m 15s slow. What star did you observe? Enif Rigel Acamar Menkar Star Identification
D On 22 March your 1834 ZT DR position is LAT 2613.5' S, LONG 10836.5' W. You observe an unidentified star bearing 077T, at an observed altitude (Ho) of 4310.5'. The chronometer reads 01h 32m 37s and is 01m 50s slow. What star did you observe? Regulus Menkar Rigel Alphard Star Identification
A On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 019.0T at a sextant altitude (hs) of 5356.2'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Mizar Mimosa Gamma Ursae Minoris Phecda Star Identification
C On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 162T at a sextant altitude (hs) of 2836.5'. The index error is 0.5'on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Mimosa Gamma Virginis Iota Centauri Spica Star Identification
C On 2 October your 1845 DR position is LAT 2809.2'S, LONG 16748.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 1137.6' bearing 066T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? Caph Ruckbah Algenib Scheat Star Identification
A On 2 October your 1845 DR position is LAT 2809.2'S, LONG 16748.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 6329.1' bearing 237.5T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? Kappa Scorpii Beta Draconis Beta Ophiuchi Alpha Arae Star Identification
A On 13 September your 1830 ZT DR position was LAT 2303'S, LONG 10516'E when you observe a faint unidentifiable star through a hole in the clouds. The star bore 132.3T at a sextant altitude (hs) of 2934.6'. The chronometer read 11h 24m 39s and is 5m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? Beta Gruis Scheat Alpha Indi Sigma Capricorni Star Identification
A On 13 September your 1830 ZT DR position was LAT 2303'S, LONG 10516'E when you observed a faint unidentifiable star through a hole in the clouds. The star bore 351.5T at a sextant altitude (hs) of 6205.6'. The chronometer read 11h 24m 39s and is 5m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? Beta Ophiuchi Kappa Scorpii Alpha Arae Alpha Herculis Star Identification
C On 13 September your 1830 ZT DR position was LAT 2303'S, LONG 10516'E when you observed a faint unidentifiable star through a hole in the clouds. The star bore 265.0T at a sextant altitude (hs) of 6225.4'. The chronometer read 11h 24m 39s and is 5m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? Sigma Ophiuchi Alcyone Dschubba Gamma Lupi Star Identification
D On 13 September your 1830 ZT DR position was LAT 2303'S, LONG 10516'E, when you observed a faint unidentifiable star through a hole in the clouds. The star bore 148.0T at a sextant altitude (hs) of 3224.3'. The chronometer read 11h 24m 39s and is 05m 08s slow. The index error is 1.0' off the arc, and the height of eye is 52 feet. What star did you observe? Beta Aquarii Alpha Indi Beta Gruis Alpha Tucanae Star Identification
A On 2 October your 1845 DR position was LAT 2809.2'S, LONG 16748.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 2045.6' T, bearing 201.5T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 00m 51s fast. What star did you observe? Alpha Muscae Muhlifain Beta Corvi Cor Caroli Star Identification
B On 12 June your 1945 DR position is LAT 2147.0'N, LONG 4652.0'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 130T at a sextant altitude (hs) of 4521.2'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 10h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Epsilon Leonis Beta Librae Theta Carinae Zeta Puppis Star Identification
A On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 282.5T at a sextant altitude (hs) of 1422.3'. The index error is 0.5'on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Alhena Mirzam Wezen Menkalinan Star Identification
D On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 313T at a sextant altitude (hs) of 1456.3'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Mirzam Theta Aurigae Alnitak Menkalinan Star Identification
A On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 270T at a sextant altitude (hs) of 6541.7'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Algeiba Epsilon Leonis Merak Scheat Star Identification
A On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 031T at a sextant altitude (hs) of 7010.3'. The index error is 0.5' on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Cor Caroli Sheratan Mimosa Ruchbah Star Identification
C On 12 June your 1845 DR position is LAT 2147'N, LONG 4652'W when you observe a faint unidentifiable star through a break in the clouds. The star bears 174.0T at a sextant altitude (hs) of 1858.6'. The index error is 0.5'on the arc, and the height of eye is 45 feet. The chronometer reads 09h 43m 27s, and the chronometer error is 1m 46s slow. What star did you observe? Almak Alpha Muscae Muhlifain Alpha Hydri Star Identification
C On 2 October your 1845 DR position is LAT 2809.2'S, LONG 16748.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 2519.4' bearing 273T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? Beta Lupi Alpha Serpentis Beta Librae Epsilon Bootis Star Identification
A On 2 October your 1845 DR position is LAT 2809.2'S, LONG 16748.1'E. You observe a faint star through a hole in the clouds at a sextant altitude (hs) of 6803.6' bearing 154T. The index error is 1.3' off the arc, and the height of eye is 42 feet. The chronometer reads 07h 46m 19s and is 0m 51s fast. What star did you observe? Alpha Indi Gamma Aquilae Albireo Epsilon Cygni Star Identification
B On 16 October evening twilight will occur at 1746 ZT. Your DR position will be LAT 2843.2' N, LONG 6029.8' W. Considering their magnitude and location, which of the following are the three best stars to select for a fix at star time? Antares, Deneb, Vega Antares, Arcturus, Polaris Deneb, Polaris, Vega Vega, Polaris, Enif Star Selection for Fix
C On 3 February your 0451 zone time DR position is LAT 2415.0' S, LONG 12424.0' W. Considering their magnitude, azimuth and altitude, which group includes the three bodies best suited for a fix at star time? Jupiter, Dubhe, Antares Spica, Venus, Procyon Alphard, Denebola, Acrux Mars, Arcturus, Spica Star Selection for Fix
A On 2 February your 0400 zone time DR position is LAT 2414.0' N, LONG 16328.0' W. You are on course 322T at a speed of 22 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Saturn, Antares, Rasalhague Jupiter, Spica, Denebola Jupiter, Saturn, Polaris Saturn, Polaris, Zubenelgenubi Star Selection for Fix
D On 16 July your 1810 zone time DR position is LAT 2416.5' S, LONG 16252.0' E. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Arcturus, Spica, Antares Vega, Hadar, Venus Pollux, Mars, Deneb Jupiter, Alphard, Alphecca Star Selection for Fix
B On 3 February your 0547 zone time DR position is LAT 2418.5' N, LONG 16725.0' E. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Jupiter, Denebola, Regulus Regulus, Deneb, Antares Altair, Saturn, Regulus Arcturus, Kochab, Venus Star Selection for Fix
A On 11 November your 0200 zone time DR position is LAT 2632' S, LONG 15416' E. You are on course 058T at a speed of 21 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Mars, Betelgeuse, Miaplacidus Saturn, Peacock, Rigel Polaris, Regulus, Rigel Jupiter, Spica, Canopus Star Selection for Fix
B On 29 April your 0300 ZT DR position is LAT 2839' N, LONG 16803' E. You are on course 108T at a speed of 22 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Deneb, Dubhe, Zubenelgenubi Moon, Alpheratz, Polaris Moon, Altair, Sabik Venus, Polaris, Arcturus Star Selection for Fix
A On 24 March your vessel is enroute from Cadiz to Norfolk. Evening twilight will occur at 1830 zone time and your vessel's DR position will be LAT 3506' N, LONG 6048' W. Considering their azimuth, altitude, and magnitude, which group of stars is best suited for plotting a star fix at star time? Sirius, Dubhe, Mirfak Regulus, Denebola, Alkaid Adhara, Procyon, Alphard Adhara, Rigel, Suhail Star Selection for Fix
C On 28 October morning twilight will occur around 0524 ZT. Your DR position is LAT 2525.0' N, LONG 3233.3' W. Considering their magnitude and location, which group will be the three stars best suited to observe for a star fix at star time? Sirius, Hamal, Denebola Sirius, Mirfak, Hamal Sirius, Capella, Denebola Sirius, Denebola, Dubhe Star Selection for Fix
D On 23 July your 1700 zone time DR position is LAT 2729' N, LONG 12926' W. You are on course 079T at a speed of 20 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Antares, Polaris, Altair Jupiter, Saturn, Polaris Arcturus, Jupiter, Denebola Spica, Sabik, Vega Star Selection for Fix
A On 23 March your 1600 ZT DR position is LAT 2716.3' N, LONG 15648.2' W. You are on course 063T at a speed of 18.0 knots. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? Hamal, Rigel, Alphard Arcturus, Regulus, Sirius Betelgeuse, Dubhe, Regulus Procyon, Sirius, Capella Star Selection for Fix
D On 15 October your 0300 zone time DR position is LAT 2714' S, LONG 9946' E. You are on course 128T at a speed of 19 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Achernar, Suhail, Alphard Jupiter, Alphard, Betelgeuse Mars, Regulus, Canopus Achernar, Procyon, Aldebaran Star Selection for Fix
B On 20 June your 1742 zone time DR position is LAT 2455.0' S, LONG 819.6' E. Considering their magnitude, azimuth, and altitude, which three stars are best suited for a fix at star time? Spica, Arcturus, Alioth Regulus, Canopus, Antares Arcturus, Achernar, Pollux Avior, Sabik, Fomalhaut Star Selection for Fix
A On 24 August your vessel is enroute from Perth, Australia, to Bombay, India. Evening twilight will occur at 1807 zone time and your vessel's DR position will be LAT 2717.0' S, LONG 8317.0' E. Considering their magnitude and location, what are the three stars best suited to observe for a fix at star time? Spica, Altair, Acrux Arcturus, Antares, Atria Pollux, Canopus, Hamal Rasalhague, Spica, Kochab Star Selection for Fix
C On 1 October you determine the zone time of evening twilight will be 1835. Your DR position will be LAT 2718.0' N, LONG 4852.0' W. Considering their magnitude and location, which group of three stars are best suited to be used in obtaining a fix at star time? Diphda, Hamal, Mirfak Altair, Rasalhague, Vega Alphecca, Kochab, Deneb Antares, Rigil Kentaurus, Peacock Star Selection for Fix
C On 3 December evening twilight for your vessel will occur at 1901 zone time. Your vessel's DR position will be LAT 2418.5' S, LONG 11030.6' W. Considering their magnitude and location, what are the three stars best suited to observe for a fix at star time? Rigel, Canopus, Regulus Canopus, Hamal, Deneb Alpheratz, Achernar, Nunki Antares, Fomalhaut, Mirfak Star Selection for Fix
A On 10 October your 1500 zone time DR position is LAT 2735.6' S, LONG 4449.0' W. You are on course 342T at a speed of 24 knots. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Moon, Al Na'ir, Rigil Kentaurus Venus, Moon, Fomalhaut Venus, Arcturus, Hamal Deneb, Spica, Markab Star Selection for Fix
D On 10 June your 1712 zone time DR position is LAT 2510.0' S, LONG 0658.0' E. You are on course 213T at a speed of 9.0 knots. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? Procyon, Antares, Sirius Sirius, Procyon, Regulus Acrux, Canopus, Regulus Acrux, Procyon, Arcturus Star Selection for Fix
A On 3 February your 0550 zone time DR position is LAT 2616.0' N, LONG 11205.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Spica, Kochab, Rasalhague Vega, Antares, Dubhe Spica, Antares, Saturn Venus, Regulus, Vega Star Selection for Fix
D On 28 February your 1850 zone time DR position is LAT 2749.0' N, LONG 15924.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? Hamal, Alkaid, Canopus Bellatrix, Vega, Regulus Sirius, Mirfak, Elnath Rigel, Schedar, Regulus Star Selection for Fix
B On 17 July your 1951 zone time DR position is LAT 2426.0' N, LONG 5116.0' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Mars, Vega, Dubhe Kochab, Jupiter, Rasalhague Hadar, Deneb, Alphard Regulus, Venus, Antares Star Selection for Fix
D On 8 November your 1731 zone time DR position is LAT 2716.0'N, LONG 13725.0'W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? Sirius, Hamal, Dubhe Antares, Rasalhague, Altair Peacock, Ankaa, Al Na'ir Alphecca, Fomalhaut, Schedar Star Selection for Fix
A On 4 September your 1813 zone time DR position is LAT 2418.0' S, LONG 9516.0' E. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? Rasalhague, Fomalhaut, Spica Betelgeuse, Acrux, Hamal Enif, Miaplacidus, Alkaid Deneb, Altair, Vega Star Selection for Fix
D On 24 July your 1912 zone time DR position is LAT 2428.0' N, LONG 7346.5' W. Considering their magnitude, azimuth, and altitude, which group includes the three stars best suited for a fix at star time? Vega, Deneb, Regulus Fomalhaut, Rigel, Pollux Arcturus, Acrux, Hadar Spica, Altair, Alioth Star Selection for Fix
B On 16 July your 1920 ZT DR position is LAT 2536.0' N, LONG 17218.9' W. Considering their magnitude, azimuth, and altitude, which group includes the three bodies best suited for a fix at star time? Vega, Mars, Antares Venus, Antares, Vega Saturn, Acrux, Spica Rasalhague, Spica, Arcturus Star Selection for Fix
C On 12 February your 0900 zone time DR position is LAT 1643.0'N, LONG 5142.0'W. Your vessel is on course 093T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 1233 1230 1237 1226 Zone Time of Local Apparent Noon (LAN)
B On 24 January your 0700 zone time DR position is LAT 2225.0'N, LONG 4610.0'W. Your vessel is on course 110T at a speed of 12.0 knots. What is the zone time of local apparent noon (LAN)? 1208 1212 1215 1203 Zone Time of Local Apparent Noon (LAN)
D On 31 January your 0920 zone time DR position is LAT 2416.0'S, LONG 15133.0'E. Your vessel is on course 258T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 1202 1215 1207 1211 Zone Time of Local Apparent Noon (LAN)
A On 10 July your 0930 zone time DR position is LAT 2631.0'S, LONG 441.0'E. Your vessel is on course 308T at a speed of 22.0 knots. What is the zone time of local apparent noon (LAN)? 1149 1153 1144 1159 Zone Time of Local Apparent Noon (LAN)
A On 16 November your 0800 zone time DR position is LAT 2511.0'N, LONG 11741.0'W. Your vessel is on course 252T at a speed of 14.5 knots. What is the zone time of local apparent noon (LAN)? 1139 1135 1131 1144 Zone Time of Local Apparent Noon (LAN)
C On 17 March your 0800 zone time DR position is LAT 2127.0'N, LONG 6525.0'W. Your vessel is on course 105T at a speed of 17.5 knots. What is the zone time of local apparent noon (LAN)? 1218 1210 1225 1231 Zone Time of Local Apparent Noon (LAN)
A On 9 February your 0830 zone time DR position is LAT 2219.0'N, LONG 6437.0'E. Your vessel is on course 128T at a speed of 19.0 knots. What is the zone time of local apparent noon? 1152 1201 1205 1156 Zone Time of Local Apparent Noon (LAN)
C On 7 February your 0800 zone time DR position is LAT 2216.0'N, LONG 9226.0'W. Your vessel is on course 270T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1226 1222 1230 1218 Zone Time of Local Apparent Noon (LAN)
C On 12 February your 0930 zone time DR position is LAT 2520.0'N, LONG 3040.0'W. Your vessel is on course 135T at a speed of 11.2 knots. What is the zone time of local apparent noon (LAN)? 1224 1220 1215 1210 Zone Time of Local Apparent Noon (LAN)
C On 14 October your 0800 ZT DR position is LAT 2822.0'N, LONG 16117.0'E. Your vessel is on course 116T at a speed of 17.5 knots. What is the ZT of local apparent noon (LAN)? 1142 1152 1156 1148 Zone Time of Local Apparent Noon (LAN)
B On 3 October your 0830 ZT position is LAT 2615.0'S, LONG 7316.0'E. Your vessel is on course 280T at a speed of 19.0 knots. What is the ZT of local apparent noon (LAN)? 1151 1201 1154 1158 Zone Time of Local Apparent Noon (LAN)
C On 26 September your 0830 zone time DR position is LAT 2304.0'N, LONG 12916.0'E. Your vessel is on course 119T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1205 1214 1210 1158 Zone Time of Local Apparent Noon (LAN)
C On 2 April your 0900 zone time DR position is LAT 2804.0'S, LONG 9414.0'E. Your vessel is on course 316T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)? 1143 1146 1149 1138 Zone Time of Local Apparent Noon (LAN)
B On 16 January your 0930 ZT DR position is LAT 2607.0'S, LONG 5143.0'E. Your vessel is on course 238T at a speed of 17.0 knots. What is the ZT of local apparent noon (LAN)? 1152 1145 1156 1148 Zone Time of Local Apparent Noon (LAN)
B On 23 June your 0900 zone time DR position is LAT 2126.0'N, LONG 13746.0'W. Your vessel is on course 059T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1214 1210 1205 1159 Zone Time of Local Apparent Noon (LAN)
B On 14 October your 0800 zone time (ZT) dead reckoning position is LAT 2822.0'N, LONG 16117.0'E. Your vessel is on course 116T at a speed of 17.5 knots. What is the ZT of local apparent noon (LAN)? 1202 1156 1151 1148 Zone Time of Local Apparent Noon (LAN)
B On 16 November your 0800 ZT DR position is LAT 2511.0'N, LONG 11741.0'W. Your vessel is on a course of 252T at a speed of 14.5 knots. What is the ZT of local apparent noon (LAN)? 1143 1139 1135 1146 Zone Time of Local Apparent Noon (LAN)
C On 3 October your 0830 zone time DR position is LAT 2615.0'S, LONG 7316.0'E. Your vessel is on course 280T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1155 1158 1201 1152 Zone Time of Local Apparent Noon (LAN)
B On 20 June your 0800 zone time DR position is LAT 2102.0'N, LONG 15250.0'E. Your vessel is on course 265T at a speed of 15.0 knots. What is the zone time of local apparent noon (LAN)? 1203 1154 1159 1149 Zone Time of Local Apparent Noon (LAN)
A On 26 September your 0830 DR position is LAT 2604.0'N, LONG 12916.0'W. Your vessel is on a course of 119T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1124 1142 1128 1146 Zone Time of Local Apparent Noon (LAN)
B Your 0830 DR position is LAT 2733'S, LONG 7917'E. Your vessel is on a course of 066T, at a speed of 19.5 knots. Determine the time of LAN on 10 December. 1136 1131 1215 1153 Zone Time of Local Apparent Noon (LAN)
C You are keeping ZD +4 on your vessel. On 21 June at 0906 DST, your position is LAT 3048.0'N, LONG 7100.0'W. You are on a course of 167T at 15.2 knots. At what time will local apparent noon (LAN) occur ZT at your vessel? You are keeping DST. 1218 1145 1245 1202 Zone Time of Local Apparent Noon (LAN)
D On 27 August your 0900 zone time DR position is LAT 2425.0'N, LONG 9420.0'W. Your vessel is on course 071T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1208 1158 1206 1214 Zone Time of Local Apparent Noon (LAN)
B On 25 April your 0930 zone time position is LAT 2835'S, LONG 8230'W. Your vessel is on course 300T at a speed of 20.0 knots. Determine the zone time of LAN. 1225 1131 1211 1158 Zone Time of Local Apparent Noon (LAN)
B On 25 April your 1130 DR position is LAT 2450.0'N, LONG 6125.0'W. Your vessel is on a course of 300T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel. 1154 1204 1202 1156 Zone Time of Local Apparent Noon (LAN)
C Your 0900 DR position is LAT 2316'N, LONG 14612'E. Your vessel is on a course of 286T, at a speed of 14.5 knots. Determine the zone time of LAN on 14 March. 1223 1151 1228 1209 Zone Time of Local Apparent Noon (LAN)
A On 10 October your 0930 zone time position is LAT 2500.0'S, LONG 16438.6'W. Your vessel is on course 180T at a speed to 10.0 knots. What is the zone time of local apparent noon (LAN)? 1145 1151 1206 1203 Zone Time of Local Apparent Noon (LAN)
D On 12 July your 0800 ZT DR position is LAT 2415.0'N, LONG 13230.0'W. Your vessel is on course 045T at a speed of 15.0 knots. What is the ZT of local apparent noon (LAN)? 1146 1159 1148 1152 Zone Time of Local Apparent Noon (LAN)
D On 26 September your 0830 zone time DR position is LAT 2604.0'N, LONG 12916.0'W. Your vessel is on course 119T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)? 1133 1127 1130 1124 Zone Time of Local Apparent Noon (LAN)
B On 3 May your 1009 zone time DR position is LAT 3001.0'N, LONG 12315.0'W. Your vessel is on course 330T at a speed of 8.6 knots. What is the zone time of local apparent noon (LAN)? 1206 1211 1214 1208 Zone Time of Local Apparent Noon (LAN)
D On 4 January your 0800 zone time DR position is LAT 2525.0 S, LONG 1609.0'W. Your vessel is on course 290T at a speed of 13.5 knots. What is the zone time of local apparent noon (LAN)? 1157 1205 1209 1213 Zone Time of Local Apparent Noon (LAN)
C On 25 June your 0900 zone time DR position is LAT 2410.0'S, LONG 14830.0'W. Your vessel is on a course of 230T at a speed of 18.0 knots. What is the zone time of local apparent noon (LAN)? 1156 1154 1200 1204 Zone Time of Local Apparent Noon (LAN)
C On 8 April your 0830 zone time DR position is LAT 2249.0'N, LONG 8437.0'W. Your vessel is on course 228 T at a speed of 19.0 knots. What is the zone time of local apparent noon (LAN)? 1147 1154 1144 1150 Zone Time of Local Apparent Noon (LAN)
C On 13 August your 0345 ZT DR position is LAT 2135.0' N, LONG 13526.0'W. You are on course 052T at a speed of 14 knots. What will be the zone time of sunrise at your vessel? 0443 0449 0536 0540 Zone Time of Sunrise
C On 16 February your 0300 ZT DR position is LAT 2832.0'S, LONG 17649.0'E. You are on course 082T at a speed of 21 knots. What will be the zone time of sunrise at your vessel? 0645 0631 0552 0534 Zone Time of Sunrise
D On 27 September your 0345 ZT DR position is LAT 2618.0'S, LONG 418.0'W. You are on course 271T at a speed of 15 knots. What will be the zone time of sunrise at your vessel? 0555 0525 0545 0605 Zone Time of Sunrise
D On 25 December your 0330 ZT DR position is LAT 2515.0'N, LONG 3216.0'W. You are on course 145T at a speed of 20 knots. What will be the zone time of sunrise at your vessel? 0635 0623 0641 0647 Zone Time of Sunrise
B At 0500 zone time on 21 August, your DR position is LAT 4700'N, LONG 12515'W. You are steering 000T at a speed of 9.8 knots. What is the zone time of sunrise? 0535 0525 0529 0531 Zone Time of Sunrise
C On 8 August your 0400 ZT DR position is LAT 2316.0'S, LONG 10533.0'W. You are on course 295T at a speed of 25 knots. What will be the zone time of sunrise at your vessel? 0629 0623 0636 0654 Zone Time of Sunrise
A At 0400 zone time on 24 June, your DR position is LAT 2310.0'N, LONG 08533'W. You are steering 295T at a speed of 10.0 knots. What is the zone time of sunrise? 0458 0504 0510 0452 Zone Time of Sunrise
D On 13 February at 0325 zone time, your DR position is LAT 2320'N, LONG 15515'W. You are steering 240T at a speed of 13.6 knots. What is the zone time of sunrise? 0711 0652 0706 0657 Zone Time of Sunrise
B Your 0000 zone time position on 13 June is LAT 2435'N, LONG 14226'E. Your vessel is on course 245T, speed is 13.5 knots. What is the zone time of sunrise? 0503 0445 0528 0440 Zone Time of Sunrise
C On 22 June your 0400 zone time DR position is LAT 2300'N, LONG 8145'W. You are steaming on course 110T at a speed of 8.6 knots. What will be the zone time of sunrise at your vessel? 0537 0547 0541 0545 Zone Time of Sunrise
B On 17 April your vessel is enroute from the Panama Canal to Kobe, Japan. Your 0400 zone time DR position is LAT 2612.0'N, LONG 12612.0'W. Your vessel is on course 285T at a speed of 18 knots. What will be the zone time of sunrise at your vessel? 0541 0602 0552 0535 Zone Time of Sunrise
C At 0327 ZT on 29 May, your DR position is LAT 2500'N, LONG 6415'W. You are steering 270T at a speed of 13.6 knots. What is the zone time of sunrise? 0536 0548 0529 0521 Zone Time of Sunrise
A On 27 March your 0330 zone time DR position is LAT 2332'N, LONG 15447'E. Your vessel is on a course of 105T at a speed of 20 knots. What will be the zone time of sunrise at your vessel? 0534 0612 0557 0624 Zone Time of Sunrise
C On 12 June your 0400 ZT DR position is LAT 2231.0'N, LONG 3145.0'W. You are on course 240T at a speed of 16.5 knots. What will be the zone time of sunrise at your vessel? 0645 0507 0523 0515 Zone Time of Sunrise
C On 17 May your 0300 ZT DR position is LAT 2721.0'N, LONG 14614.0'E. You are on course 107T at a speed of 18 knots. What will be the zone time of sunrise at your vessel? 0511 0457 0522 0519 Zone Time of Sunrise
C On 16 March your 0330 ZT DR position is LAT 2236.0'S, LONG 7616.0'E. You are on course 098T at a speed of 16 knots. What will be the ZT of sunrise at your vessel? 0608 0545 0553 0600 Zone Time of Sunrise
D On 2 January you are on a course of 094T at a speed of 20 knots. At 0430 ZT, your DR position is LAT 2412'N, LONG 7124'W. Determine the zone time of sunrise. 0636 0701 0644 0627 Zone Time of Sunrise
A On 16 August your 1600 ZT DR position is LAT 2617.0'N, LONG 16517.0'E. You are on course 301T at a speed of 15 knots. What will be the zone time of sunset at your vessel? 1838 1832 1845 1827 Zone Time of Sunset
A On 18 October your 1330 ZT DR position is LAT 2732.0'N, LONG 15447.0'W. You are on course 115T at a speed of 20 knots. What will be the zone time of sunset at your vessel? 1742 1751 1729 1715 Zone Time of Sunset
A On 17 November your 1530 ZT DR position is LAT 2713.0'S, LONG 15321.0'W. You are on course 261T at a speed of 14 knots. What will be the ZT of sunset at your vessel? 1845 1828 1834 1813 Zone Time of Sunset
C On 22 November your 1400 ZT DR position is LAT 2216.0'N, LONG 13637.0'E. You are on course 038T at a speed of 22 knots. What will be the zone time of sunset at your vessel? 1710 1714 1705 1718 Zone Time of Sunset
D On 1 December your 1600 ZT DR position is LAT 2248.0'S, LONG 9126.0'E. You are on course 327T at a speed of 16 knots. What will be the zone time of sunset at your vessel? 1831 1823 1847 1827 Zone Time of Sunset
C On 10 December your 1300 zone time (ZT) DR position is LAT 2627.0'S, LONG 7904.0'E. You are on course 068T at a speed of 14 knots. What will be the zone time of sunset at your vessel? 1908 1846 1824 1854 Zone Time of Sunset
D At 1400 zone time on 11 April, your DR position is LAT 2540'N, LONG 9100'W. You are steering 180T at a speed of 10.0 knots. What is your zone time of sunset? 1820 1812 1816 1825 Zone Time of Sunset
B At 1800 zone time, on 7 December, your DR position is LAT 2248'S, LONG 9126'W. You are steering 320T at a speed of 14.0 knots. What is the zone time of sunset? 1830 1842 1836 1852 Zone Time of Sunset
B At 1544 zone time on 5 October your DR position is LAT 2500'N, LONG 6015'W. You are steering 270T at a speed of 6.8 knots. What is the zone time of sunset? 1737 1745 1741 1728 Zone Time of Sunset
D At 1730 zone time, on 3 March, your DR position is LAT 1600'S, LONG 8000'W. You are steering 000T at a speed of 7.5 knots. What is the zone time of sunset? 1834 1852 1829 1843 Zone Time of Sunset
C On 19 July your 1500 ZT DR position is LAT 2825.0'N, LONG 12028.0'W. You are on course 233T at a speed of 10 knots. What will be the zone time of sunset at your vessel? 1853 1909 1901 1842 Zone Time of Sunset
A On 1 November your 1600 zone time DR position is LAT 2748'S, LONG 9126'E. Your vessel is on a course of 327 T at a speed of 16 knots. What will be the zone time of sunset at your vessel? 1813 1836 1829 1821 Zone Time of Sunset
D On 5 May your 1800 ZT DR position is LAT 2611.5'N, LONG 6535.0'W. You are on course 270T at a speed of 12 knots. What will be the ZT of sunset at your vessel? 1840 1901 1825 1857 Zone Time of Sunset
D On 10 November your 1630 zone time DR position is LAT 2510.0'N, LONG 7112.0'W. You are on course 335T at a speed of 24 knots. What will be the zone time of sunset at your vessel? 1650 1715 1730 1700 Zone Time of Sunset
A On 28 June your 1820 ZT DR position is LAT 1600.0'N, LONG 3100.0'W. You are on course 310T at a speed of 18 knots. What will be the zone time of sunset at your vessel? 1840 1836 1828 1832 Zone Time of Sunset
D On 5 May your 1300 ZT DR position is LAT 2516.0'S, LONG 1230.0'W. You are on course 012T at a speed of 14 knots. What will be the zone time of sunset at your vessel? 1702 1730 1741 1719 Zone Time of Sunset
A On 10 April, your 1630 ZT DR position is LAT 2103.0'N, LONG 6311.0'W. You are on course 324T at a speed of 22 knots. What will be the zone time of sunset at your vessel? 1833 1805 1814 1818 Zone Time of Sunset