|
Your vessel is underway on a course of 115°T at 18 knots. At 1850 a lighthouse
bears 137.5°T. At 1920, the same lighthouse bears 160°T. What time will
the lighthouse pass abeam to starboard? |
1941 |
1955 |
1929 |
1949 |
|
Your vessel is steering 074°T at 12 knots. At 0214 a light bears 115°T,
and at 0223 the same light bears 135°T. What will be your distance off abeam? |
4.2 miles |
3.5 miles |
2.4 miles |
3.0 miles |
|
Your vessel is steering 238°T at 11 knots. At 2304 a light bears 176°T,
and at 2323 the same light bears 155°T. What will be your distance off abeam? |
7.5 miles |
8.0 miles |
9.0 miles |
8.5 miles |
|
Your vessel is steering 157°T at 18 knots. At 2018 a light bears 208°T.
At 2044 the same light bears 232°T. What will be your distance off when
abeam? |
16.7 miles |
14.4 miles |
15.2 miles |
12.8 miles |
|
Your vessel is steering 096°T at 17 knots. At 1847 a light bears 057°T,
and at 1916 the same light bears 033°T. What will be your distance off abeam? |
11.4 miles |
9.9 miles |
11.9 miles |
10.7 miles |
|
Your vessel is steering 049°T at 15 knots. At 1914 a light bears 078°T,
and at 1951 the same light bears 116°T. What will be your distance off abeam? |
7.1 miles |
6.7 miles |
8.3 miles |
7.5 miles |
|
Your vessel is steering 218°T at 19 knots. At 2223 a light bears 261°T,
and at 2234 the same light bears 289°T. What will be your distance off abeam? |
4.5 miles |
5.7 miles |
5.3 miles |
4.9 miles |
|
Your vessel is steering 354°T at 14 knots. At 0317 a light bears 049°T,
and at 0342 the same light bears 071°T. What will be your distance off abeam? |
12.7 miles |
12.4 miles |
13.0 miles |
13.3 miles |
|
While underway you sight a light 11° on your port bow at a distance of 12
miles. Assuming you make good your course, what will be your distance off
the light when abeam? |
3.1 miles |
2.3 miles |
3.9 miles |
4.5 miles |
|
Your vessel is underway on a course of 323.5°T at a speed of 16 knots. At
1945 a light bears 350°T. At 2010 the light bears 008.5°T. What will be
your distance off when abeam of the light? |
6.7 miles |
3.3 miles |
8.7 miles |
4.8 miles |
|
Your vessel is steering 283°T at 10 knots. At 0538 a light bears 350°T,
and at 0552 the same light bears 002°T. What will be your distance off abeam? |
10.3 miles |
10.7 miles |
9.6 miles |
11.3 miles |
|
Your vessel is steering 194°T at 13 knots. At 0116 a light bears 243°T,
and at 0147 the same light bears 267°T. What will be your distance off abeam? |
11.6 miles |
12.5 miles |
12.0 miles |
11.2 miles |
|
You are steering a course of 316°T, and a light bears 34° on the port bow
at 2053. At 2126 the same light bears 68° on the port bow, and you have
run 5 miles since the first bearing. What is the ETA when the lighthouse
is abeam? |
2149 |
2139 |
2143 |
2159 |
|
You are steering a course of 240°T, and a lighthouse bears 025° on the starboard
bow at 2116. At 2144 the same lighthouse bears 050° on the starboard bow,
and you have run 6 miles since the first bearing. What is the ETA when the
lighthouse is abeam? |
2156 |
2202 |
2159 |
2205 |
|
While on a course of 349°T, a light bears 13° on your starboard bow at a
distance of 10.8 miles. What course should you steer to pass 2.5 miles abeam
of the light, leaving it to starboard? |
002° |
323° |
336° |
349° |
|
You are underway on a course of 135°pgc at 15 knots, and you sight a lighthouse
dead ahead at a range of 12.5 miles at 1145. What course would you steer
to leave the lighthouse 3.0 miles off your port beam? |
117°pgc |
149°pgc |
154°pgc |
121°pgc |
|
While on a course of 066°pgc, a light bears 18° on the port bow at a distance
of 12.3 miles. What course should you steer to leave the light 4 miles abeam
to port? |
072°pgc |
085°pgc |
067°pgc |
079°pgc |
|
Your vessel is on course 312°pgc and you sight a lighthouse dead ahead at
a range of 10 miles. The gyro error is 3°E. What course would you steer
to leave the lighthouse 1.5 miles abeam to starboard? |
309°T |
304°T |
304°pgc |
309°pgc |
|
While on course 321°pgc with a 1°W gyro error, you pick up a buoy on radar
bearing 001° relative at 5.2 miles. What will be the course to pass the
buoy by 1 mile abeam to starboard, if you change course when the buoy is
4.5 miles away? |
310°pgc |
336°pgc |
316°T |
305°T |
|
You are running coastwise on a course of 323°T, and you have a buoy bearing
11° on your port bow at a distance of 7 miles. You desire to leave the buoy
abeam to port at a distance of 2.5 miles. What course should you steer? |
312°T |
344°T |
333°T |
291°T |
|
While on a course of 019°pgc, a light bears 14° on the port bow at a distance
of 15.3 miles. What course should you steer to pass 1.5 miles abeam of the
light, leaving it to port? |
013°pgc |
011°pgc |
015°pgc |
006°pgc |
|
While on a course of 283°pgc, a light bears 10° on the port bow at a distance
of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the
light leaving it to port? |
302°pgc |
294°pgc |
289°pgc |
298°pgc |
|
While on a course of 349°T, a light bears 13° on the starboard bow at a
distance of 10.8 miles. What course should you steer to pass 2.5 miles abeam
of the light leaving it to starboard? |
346°T |
349°T |
352°T |
355°T |
|
While on a course of 216°pgc, a light bears 12° on the port bow at a distance
of 11.2 miles. Which course should you steer to pass 2 miles abeam of the
light leaving it to port? |
214°pgc |
208°pgc |
210°pgc |
212°pgc |
|
While on a course of 192°T, a light bears 11° on the starboard bow at a
distance of 12.7 miles. What course should you steer to pass 3 miles abeam
of the light leaving it to starboard? |
167°T |
185°T |
173°T |
189°T |
|
While on a course of 034°pgc, a light bears 8° on the port bow at a distance
of 8.8 miles. What course should you steer to pass 2.5 miles abeam of the
light leaving it to port? |
035°pgc |
051°pgc |
059°pgc |
043°pgc |
|
While on a course of 321°T, a light bears 7° on the starboard bow at a distance
of 9.7 miles. What course should you steer to pass 3.5 miles abeam of the
light leaving it to starboard? |
297°T |
303°T |
307°T |
300°T |
|
While on a course of 214°pgc, a light bears 9° on the port bow at a distance
of 7.4 miles. What course should you steer to pass 2 miles abeam of the
light leaving it to port? |
229°pgc |
221°pgc |
209°pgc |
189°pgc |
|
While on a course of 138°T, a light bears 14° on the starboard bow at a
distance of 8.6 miles. What course should you steer to pass 3 miles abeam
of the light leaving it to starboard? |
132°T |
141°T |
138°T |
135°T |
|
While on a course of 066°pgc, a light bears 13° on the port bow at a distance
of 12.3 miles. What course should you steer to pass 4 miles abeam of the
light leaving it to port? |
067°pgc |
072°pgc |
079°pgc |
085°pgc |
|
While on a course of 159°T, a light bears 11° on the starboard bow at a
distance of 10.6 miles. What course should you steer to pass 2 miles abeam
of the light leaving it to starboard? |
171°T |
159°T |
163°T |
167°T |
|
While on a course of 097°pgc, a light bears 8° on the port bow at a distance
of 11.7 miles. What course should you steer to pass 3 miles abeam of the
light leaving it to port? |
082°pgc |
091°pgc |
112°pgc |
104°pgc |
|
While on a course of 279°T, a light bears 12° on the starboard bow at a
distance of 9.3 miles. What course should you steer to pass 4 miles abeam
of the light leaving it to starboard? |
305°T |
291°T |
265°T |
253°T |
|
While on a course of 152°T, a light bears 9° on the port bow at a distance
of 11.6 miles. What course should you steer to pass 3 miles abeam of the
light leaving it to port? |
153° |
163° |
167° |
158° |
|
Your are on course 317°T at 13 knots. A light is bearing 22.5° relative
at 0640. At 0659 the same light is bearing 45° relative. At what time should
the light be abeam? |
0712 |
0709 |
0721 |
0718 |
|
Your vessel is on a course of 129°T at 13 knots. At 1937 a light bears 151.5°T.
At 2003 the light bears 174°T. At which time and distance off will your
vessel be when abeam of this light? |
2021, 3.9 miles |
2016, 2.8 miles |
2021, 2.8 miles |
2016, 3.9 miles |
|
Your vessel is on a course of 196°T at 17 knots. At 0417 a light bears 218.5°T,
and at 0442 the light bears 241°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0500, 5.0 miles |
0504, 5.0 miles |
0500, 6.2 miles |
0504, 6.2 miles |
|
Your vessel is on a course of 343°T at 14 knots. At 2156 a light bears 320.5°T,
and at 2217 the light bears 298°T. At what time and at what distance off
will your vessel be when abeam of the light? |
2235, 4.3 miles |
2232, 3.4 miles |
2228, 4.9 miles |
2241, 6.9 miles |
|
Your vessel is on a course of 221°T at 15 knots. At 0319 a light bears 198.5°T,
and at 0353 the light bears 176°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0427, 7.4 miles |
0410, 5.2 miles |
0407, 4.3 miles |
0417, 6.0 miles |
|
Your vessel is on a course of 107°T at 16 knots. At 0403 a light bears 129.5°T,
and at 0426 the light bears 152°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0434, 4.3 miles |
0442, 4.3 miles |
0434, 3.2 miles |
0442, 3.4 miles |
|
Your vessel is on a course of 034°T at 17 knots. At 0551 a light bears 056.5°T,
and at 0623 the light bears 079°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0646, 5.9 miles |
0636, 5.9 miles |
0636, 6.4 miles |
0646, 6.4 miles |
|
Your vessel is on a course of 253°T at 18 knots. At 2027 a light bears 275.5°T,
and at 2055 the light bears 298°T. At what time and at what distance off
will your vessel be when abeam of the light? |
2104, 7.7 miles |
2123, 7.3 miles |
2109, 6.4 miles |
2115, 5.9 miles |
|
Your vessel is on a course of 082°T at 19 knots. At 0255 a light bears 059.5°T,
and at 0312 the light bears 037°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0324, 3.8 miles |
0327, 4.3 miles |
0333, 5.1 miles |
0321, 4.7 miles |
|
Your vessel is on a course of 307°T at 20 knots. At 0914 a light bears 284.5°T,
and at 0937 the light bears 262°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0950, 4.4 miles |
0953, 5.4 miles |
1002, 7.1 miles |
0957, 6.6 miles |
|
Your vessel is on a course of 144°T at 16 knots. At 0126 a light bears 166.5°T,
and at 0152 the light bears 189°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0205, 4.1 miles |
0210, 4.8 miles |
0215, 6.0 miles |
0220, 6.4 miles |
|
Your vessel is on a course of 311°T at 21 knots. At 1957 a light bears 337.5°T,
and at 2018 the light bears 356°T. At what time and at what distance off
will your vessel be when abeam of the light? |
2039, 7.4 miles |
2027, 5.2 miles |
2033, 6.8 miles |
2043, 10.3 miles |
|
Your vessel is on a course of 144°T at 20 knots. At 0022 a light bears 117.5°T,
and at 0035 the light bears 099°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0048, 4.3 miles |
0044, 3.2 miles |
0056, 6.0 miles |
0052, 5.1 miles |
|
Your vessel is on a course of 358°T at 19 knots. At 0316 a light bears 024.5°T,
and at 0334 the light bears 043°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0403, 8.0 miles |
0359, 7.1 miles |
0355, 6.2 miles |
0352, 5.7 miles |
|
Your vessel is on a course of 237°T at 18 knots. At 0404 a light bears 263.5°T,
and at 0430 the light bears 282°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0448, 6.8 miles |
0456, 7.8 miles |
0452, 7.2 miles |
0500, 8.4 miles |
|
Your vessel is on a course of 126°T at 17 knots. At 0251 a light bears 099.5°T,
and at 0313 the light bears 081°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0351, 7.4 miles |
0335, 6.2 miles |
0327, 4.4 miles |
0345, 6.8 miles |
|
Your vessel is on a course of 052°T at 16 knots. At 0916 a light bears 078.5°T,
and at 0927 the light bears 097°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0935, 2.6 miles |
0932, 2.3 miles |
0929, 2.0 miles |
0938, 2.9 miles |
|
Your vessel is on a course of 272°T at 15 knots. At 2113 a light bears 245.5°T,
and at 2120 the light bears 227°T. At what time and at what distance off
will your vessel be when abeam of the light? |
2127, 1.8 miles |
2135, 2.7 miles |
2124, 1.3 miles |
2131, 2.3 miles |
|
Your vessel is on a course of 103°T at 14 knots. At 1918 a light bears 129.5°T,
and at 1937 the light bears 148°T. At what time and at what distance off
will your vessel be when abeam of the light? |
1947, 2.8 miles |
1950, 3.2 miles |
1953, 3.8 miles |
1956, 4.4 miles |
|
Your vessel is on a course of 207°T at 13 knots. At 0539 a light bears 180.5°T,
and at 0620 the light bears 162°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0653, 7.6 miles |
0633, 5.9 miles |
0641, 6.5 miles |
0701, 8.9 miles |
|
Your vessel is on a course of 316°T at 12 knots. At 2326 a light bears 289.5°T,
and at 2354 the light bears 271°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0026, 6.4 miles |
0018, 5.2 miles |
0014, 4.8 miles |
0022, 5.6 miles |
|
Your vessel is on a course of 079°T at 11 knots. At 0152 a light bears 105.5°T,
and at 0209 the light bears 124°T. At what time and at what distance off
will your vessel be when abeam of the light? |
0242, 4.7 miles |
0219, 2.3 miles |
0233, 3.9 miles |
0226, 3.1 miles |
|
You sight a light 9° on your starboard bow at a distance of 21 miles. Assuming
you make good your course, what will be your distance off the light when
abeam? |
4.3 miles |
4.0 miles |
3.7 miles |
3.3 miles |
|
You are steering 246°T, and a light is picked up dead ahead at a distance
of 14 miles at 1037. You change course to pass the light 2.5 miles off abeam
to port. If you are making 12 knots, what is your ETA at the position 2.5
miles off the light? |
1149 |
1143 |
1152 |
1146 |
|
You are steering 078°T, and a light is picked up dead ahead at a distance
of 15.6 miles at 2316. You change course to pass the light 4.5 miles off
abeam to port. If you are making 17 knots, what is your ETA at the position
4.5 miles off the light? |
0009 |
0006 |
0012 |
0015 |
|
You are steering 163°T, and a light is picked up dead ahead at a distance
of 11 miles at 0142. You change course to pass the light 2 miles off abeam
to starboard. If you are making 13 knots, what is your ETA at the position
2 miles off the light? |
0235 |
0226 |
0232 |
0229 |
|
Your vessel is on a course of 255°T at 14 knots. At 2126 a lighthouse is
sighted dead ahead at a distance of 11 miles. You change course at this
time to pass the lighthouse 3 miles abeam to port. What will be your ETA
at this position off the lighthouse? |
2211 |
2228 |
2149 |
2201 |
|
Your vessel is on a course of 255°T at 14 knots. At 2116 a lighthouse is
sighted dead ahead at a distance of 11 miles. You change course at this
time to pass the lighthouse 3 miles abeam to port. What will be your ETA
at this position off the lighthouse? |
2201 |
2228 |
2212 |
2149 |
|
You are steering 143°T, and a light is picked up dead ahead at a distance
of 18.2 miles at 2006. You change course to pass the light 5.5 miles off
abeam to port. If you are making 14.5 knots, what is your ETA at a position
5.5 miles off the light? |
2121 |
2118 |
2115 |
2124 |
|
You are steering 019°T, and a light is picked up dead ahead at a distance
of 11.6 miles at 0216. You change course to pass the light 3 miles off abeam
to port. If you are making 14 knots, what is your ETA at the position 3
miles off the light? |
0307 |
0304 |
0258 |
0301 |
|
You are steering 031°T, and a light is picked up dead ahead at a distance
of 12.7 miles at 0017. You change course to pass the light 3.5 miles off
abeam to starboard. If you are making 11 knots, what is your ETA at the
position 3.5 miles off the light? |
0127 |
0121 |
0118 |
0124 |
|
You are steering 173°T, and a light is picked up dead ahead at a distance
of 13.9 miles at 0054. You change course to pass the light 4.5 miles off
abeam to port. If you are making 21 knots, what is your ETA at the position
4.5 miles off the light? |
0131 |
0134 |
0122 |
0125 |
|
You are steering 107°T, and a light is picked up dead ahead at a distance
of 11 miles at 0847. You change course to leave the light 3 miles off to
starboard. If you are making 15.5 knots, what is your ETA at the position
3 miles off the light? |
0934 |
0937 |
0928 |
0931 |
|
You are steering 231°T, and a light is picked up dead ahead at a distance
of 12.3 miles at 0338. You change course to pass the light 4 miles off abeam
to starboard. If you are making 16.5 knots, what is your ETA at the position
4 miles off the light? |
0420 |
0429 |
0423 |
0426 |
|
You are steering 257°T, and a light is picked up dead ahead at a distance
of 13.3 miles at 2016. You change course to pass the light 4 miles off abeam
to starboard. If you are making 18.5 knots, what is your ETA at the position
4 miles off the light? |
2103 |
2113 |
2057 |
2100 |
|
You are steering 349°T, and a light is picked up dead ahead at a distance
of 17.2 miles at 2122. You change course to pass the light 4.5 miles off
abeam to port. If you are making 19.5 knots, what is your ETA at the position
4.5 miles off the light? |
2216 |
2207 |
2210 |
2213 |
|
You are steering 202°T, and a light is picked up dead ahead at a distance
of 14.6 miles at 2234. You change course to pass the light 5 miles off abeam
to starboard. If you are making 21 knots, what is your ETA at the position
5 miles off the light? |
2319 |
2310 |
2316 |
2313 |
|
You are steering 115°T, and a light is picked up dead ahead at a distance
of 16.7 miles at 0522. You change course to pass the light 3.5 miles off
abeam to port. If you are making 12 knots, what is your ETA at the position
3.5 miles off the light? |
0647 |
0650 |
0644 |
0653 |
|
You are steering 287°T, and a light is picked up dead ahead at a distance
of 19.4 miles at 0419. You change course to pass the light 4 miles off abeam
to starboard. If you are making 13 knots, what is your ETA at the position
4 miles off the light? |
0544 |
0547 |
0550 |
0541 |
|
You are on course 086°T, speed 11.7 knots. At 1013 you see a buoy bearing
088°T at a range of 4.8 miles. If you change course at 1019 to leave the
buoy abeam to port at 1.0 mile, at what time will the buoy be abeam? |
1043 |
1052 |
1040 |
1037 |
|
You are on course 079°T, speed 11.2 knots. At 0904 you see a daymark bearing
078°T at a range of 4.6. If you change course at 0910 to leave the daymark
abeam to starboard at 0.5 mile, at what time will the daymark be abeam? |
0923 |
0928 |
0918 |
0935 |
|
You are on course 061°T, at a speed of 12.4 knots. At 0839 you see a rock
bearing 059°T at a range of 4.4 miles. If you change course at 0845 to leave
the rock abeam to starboard at 1.5 mile, at what time will the rock be abeam? |
0859 |
0903 |
0906 |
0854 |
|
You are on course 035°T, speed 18.3 knots. At 0719 you see a buoy bearing
036°T at a range of 4.1. If you change course at 0725 to leave the buoy
abeam to port at 1.0 mile, at what time will the buoy be abeam? |
0735 |
0738 |
0732 |
0740 |
|
You are on course 006°T, speed 16.6 knots. At 0516 you see a light bearing
008°T at a range of 10.2. If you change course at 0528 to leave the light
abeam to port at 1.0 mile, at what time will the light be abeam? |
0556 |
0607 |
0604 |
0553 |
|
You are steaming on course 168°T at a speed of 18 knots. At 1426 you sight
a buoy bearing 144°T. At 1435 you sight the same buoy bearing 116°T. What
is your distance off at the second bearing and predicted distance when abeam? |
2.3 miles 2nd
bearing, 1.8 miles abeam |
2.5 miles 2nd
bearing, 2.8 miles abeam |
2.8 miles 2nd
bearing, 1.8 miles abeam |
3.3 miles 2nd
bearing, 2.8 miles abeam |
|
You are steaming on a course of 084°T at a speed of 13 knots. At 1919 a
lighthouse bears 106.5°T. At 1957 the same lighthouse bears 129°T. What
will be your distance off the lighthouse when abeam? |
5.7 miles |
8.2 miles |
4.3 miles |
7.1 miles |
|
Your vessel is steaming on a course of 140°T at 15 knots. At 1530 a lighthouse
bears 200°T. At 1550 it bears 249°T. What is your distance from the lighthouse
at 1550? |
1.15 miles |
4.60 miles |
5.45 miles |
5.75 miles |
|
Your vessel is on course 093°T at 15 knots. At 1835 a light bears 136°T,
and at 1857 the same light bears 170°T. What was your distance off the light
at 1857? |
6.0 miles |
6.4 miles |
6.8 miles |
7.2 miles |
|
You are steaming on a course of 198°T at 18.5 knots. At 0316 you observe
a lighthouse bearing 235°T. At 0348 the lighthouse bears 259°T. What is
your distance off at the second bearing? |
16.3 miles |
14.8 miles |
15.3 miles |
15.8 miles |
|
You are steaming on course 168°T at a speed of 18 knots. At 1426 you sight
a buoy bearing 144°T. At 1435 you sight the same buoy bearing 116°T. What
is your distance off at the second bearing and predicted distance when abeam? |
2.3 miles 2nd
bearing, 1.8 miles abeam |
2.5 miles 2nd
bearing, 2.8 miles abeam |
2.8 miles 2nd
bearing, 1.8 miles abeam |
3.3 miles 2nd
bearing, 2.8 miles abeam |
|
You are steaming on a course of 167°T at 19.5 knots. At 1837 you observe
a lighthouse bearing 224°T. At 1904 the lighthouse bears 268°T. What is
your distance off at the second bearing? |
10.4 miles |
9.5 miles |
8.8 miles |
11.3 miles |
|
You are steaming on a course of 208°T at 21 knots. At 2019 you observe a
lighthouse bearing 129°T. At 2030 the lighthouse bears 103°T. What is your
distance off at the second bearing? |
8.9 miles |
8.6 miles |
8.2 miles |
9.3 miles |
|
You are steaming on a course of 267°T at 22 knots. At 0433 you observe a
lighthouse bearing 290°T. At 0452 the lighthouse bears 328°T. What is your
distance off at the second bearing? |
6.6 nm |
4.5 nm |
7.2 nm |
5.9 nm |
|
You are steaming on a course of 327°T at 13 knots. At 0207 you observe a
lighthouse bearing 020°T. At 0226 the lighthouse bears 042°T. What is your
distance off at the second bearing? |
9.7 miles |
8.5 miles |
9.2 miles |
8.9 miles |
|
You are steaming on a course of 133°T at 16 knots. At 2216 you observe a
lighthouse bearing 086°T. At 2223 the lighthouse bears 054°T. What is your
distance off at the second bearing? |
1.7 miles |
2.0 miles |
2.3 miles |
2.6 miles |
|
You are steaming on a course of 246°T at 17 knots. At 2107 you observe a
lighthouse bearing 207°T. At 2119 the lighthouse bears 179°T. What is your
distance off at the second bearing? |
5.1 miles |
3.9 miles |
4.2 miles |
4.6 miles |
|
You are running coastwise at 14 knots. You sight a lighthouse abeam at 0912.
At 0939 the lighthouse is 4 points abaft the beam. What is your distance
off at the second bearing? |
5.5 miles |
7.8 miles |
6.3 miles |
8.9 miles |
|
Your vessel is on a course of 223°T at 17 knots. At 1323 a lighthouse bears
318° relative. At 1341 the same lighthouse bears 287° relative. What is
your distance off the lighthouse at 1341? |
5.1 miles |
7.8 miles |
4.3 miles |
6.6 miles |
|
You are running coastwise in hazy weather; the visibility improves just
before you pass a lighthouse abeam. Your speed is 15 knots, and the lighthouse
was abeam at 1015. At 1037 the lighthouse is 4 points abaft the beam. What
is your distance off at the second bearing? |
5.5 miles |
3.9 miles |
7.8 miles |
6.6 miles |
|
You are steaming on a course of 211°T at 17 knots. At 0417 a light bears
184°T, and at 0428 the same light bears 168°T. What is the distance off
the light at 0428? |
5.1 miles |
3.4 miles |
5.6 miles |
4.6 miles |
|
You are steaming on a course of 215°T at 14 knots. At 1841 you observe a
lighthouse bearing 178°T. At 1904 the same lighthouse bears 156°T. What
is your distance off at the second bearing? |
6.6 miles |
8.7 miles |
5.4 miles |
7.5 miles |
|
You are steaming on a course of 025°T at 15.5 knots. At 0645 you observe
a lighthouse bearing 059°T. At 0655 the same lighthouse bears 075°T. What
is your distance off at the second bearing? |
4.0 miles |
5.3 miles |
2.6 miles |
1.5 miles |
|
You are steaming on a course of 058°T at 11.5 knots. At 0209 you observe
a lighthouse bearing 129°T. At 0252 the lighthouse bears 173°T. What is
your distance off at the second bearing? |
12.8 miles |
10.7 miles |
9.4 miles |
11.2 miles |
|
You are steaming on a course of 253°T at 14 knots. At 2329 you observe a
lighthouse bearing 282°T. At 2345 the lighthouse bears 300°T. What is your
distance off at the second bearing? |
5.2 miles |
5.9 miles |
3.7 miles |
4.3 miles |
|
You are steaming on a course of 071°T at 19 knots. At 1907 you observe a
lighthouse bearing 122°T. At 1915 the lighthouse bears 154°T. What is your
distance off at the second bearing? |
4.0 miles |
3.7 miles |
3.4 miles |
4.3 miles |
|
You are steaming on a course of 114°T at 17 knots. At 1122 you observe a
lighthouse bearing 077°T. At 1133 the lighthouse bears 051°T. What is your
distance off at the second bearing? |
3.9 miles |
4.3 miles |
4.9 miles |
3.3 miles |
