What will cause the electronic plotting aid epa to emit a visual alarm audible alarm or both

a an acquired target entering into a guard zone
b a tracked target lost for one radar scan
c a tracked target entering your preset cpatcpa limits
d a

Question

What will cause the Electronic Plotting Aid (EPA) to emit a visual alarm, audible alarm, or both?

A) An acquired target entering into a guard zone

B) A tracked target lost for one radar scan

C) A tracked target entering your preset CPA-TCPA limits

D) A target being initially detected within a guard zone

Renee Holland · Answer

The Electronic Plotting Aid (EPA) will emit a visual alarm, audible alarm, or both under the following condition:

C) A tracked target entering your preset CPA-TCPA limits

This is typically the primary reason for alarms, as it indicates a potential collision or close-quarters situation that requires immediate attention. The Closest Point of Approach (CPA) and Time to Closest Point of Approach (TCPA) are critical parameters in marine navigation for avoiding collisions.

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What will cause the electronic plotting aid epa to emit a

What will cause the Electronic Plotting Aid (EPA) to emit a visual alarm, audible alarm, or both?

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