Marina Exam Reviewer: What is TRUE of the history display of a targets past positions on an ARPA?

Marina Exam Reviewer

What is TRUE of the history display of a targets past positions on an ARPA? 

A. In the true presentation it provides a quick visual check to determine if a vessel has changed course. 
B. It provides a graphic display to emphasize which vessel is on a collision course. 
C. The display is one of the primary inputs and must be in use when using the trial maneuver capability. 
D. It provides a graphic display of a target vessels relative course speed and CPA.


Answer:   A. In the true presentation it provides a quick visual check to determine if a vessel has changed course. 

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