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Navigation Problems - USCG Exam Questions

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On 16 November your 1200 ZT DR position is LAT 26°48.0'S, LONG 124°32.0'W. Your vessel is on course 078°T, speed 17.0 knots. You observe an ex-meridian of the Sun's lower limb. The sextant (hs) reads 81°41.3'. 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?

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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.