General Navigation USCG Question #1421 (Set 45)

Which statement about an estimated position is TRUE?

Official USCG Answer & Rule Citation

Correct Answer: Option A — It may be based on a single LOP or questionable data.

An estimated position (EP) is a position determined by applying estimated current and leeway to a dead reckoning position. Per Bowditch, it is inherently less accurate than a fix because it relies on incomplete, single, or questionable data, such as a single line of position or estimated environmental factors.

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