Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG Navigation Problems (Set 53)
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Question 1 of 30
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?
Browse Questions in Set 53
30 MCQs #1 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? #2 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? #3 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? #4 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? #5 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? #6 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? #7 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? #8 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? #9 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? #10 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? #11 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? #12 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? #13 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? #14 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? #15 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? #16 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? #17 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? #18 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? #19 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? #20 Your vessel is steering 143°T at 16 knots. At 2147 a light bears 106°T and at 2206 the same light bears 078°T. What will be your distance off when abeam? #21 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? #22 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? #23 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? #24 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? #25 Your vessel is steering 263°T at 22 knots. At 0413 a light bears 294°T and at 0421 the same light bears 312°T. What will be your distance off when abeam? #26 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? #27 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? #28 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? #29 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? #30 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?
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