California Maritime Academy (CMA) Deck USCG Question #106 (Set 4)

When choosing stars to use to create a 3 LOP fix, the stars should be about ____ apart.

Official USCG Answer & Rule Citation

Correct Answer: Option C — 120°

Optimal celestial fix accuracy requires stars spaced 120° apart in azimuth to minimize the geometric dilution of precision. This distribution balances the lines of position, ensuring that errors in individual observations do not disproportionately shift the fix position, adhering to standard navigational practices taught in CMA deck officer training.

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