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Navigation Problems - USCG Exam Questions

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On 16 January at 1804 zone time, you take a sextant observation of Polaris. Your vessel's DR position is LAT 36°12' N, LONG 124°36' W, and your sextant reads (hs) 37°16.4'. 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?

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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.