General Navigation USCG Question #2330 (Set 71)

Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope?

Official USCG Answer & Rule Citation

Correct Answer: Option A — Own ship's marker

In true motion radar displays, the radar screen represents a fixed geographic area. Consequently, all objects with geographic coordinates, including land masses, anchored vessels, and the own ship's marker, move across the PPI scope in accordance with their actual movement or the vessel's movement over the ground.

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