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Navigation Problems - USCG Exam Questions

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During twilight on 28 December around 1800 GMT, in DR position LAT 4°00'N, LONG 0°06'W, the sextant altitude (hs) of Venus was 30°46.8'. The height of eye was 36 feet, and the index error was 2.0' on the arc. The temperature was 68°F. The barometer read 1030 mb. Calculate the observed altitude (Ho).

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About this module

Practice 1,708 real U.S. Coast Guard Deck exam questions from Navigation Problems. Here's a random one. Answer it, then keep going with Next.

Worked chart problems: plotting courses and fixes, time, speed, and distance, set and drift, and compass error corrections.

The Deck pool holds the current U.S. Coast Guard questions for every deck credential, from Able Seaman and the OUPV six-pack up to unlimited Master. Each question is multiple choice with four options, graded instantly, with the USCG reference shown where one exists.