Which term describes the status of the designated plane guard helicopter when operating within 20 NM (Day) or 10 NM (Night) of the carrier?

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The main idea is that plane guard status describes being in a fixed, ready position within a defined protection radius around the carrier so you can respond immediately if needed during flight ops. When the helicopter is within 20 nautical miles during daylight or within 10 nautical miles at night, it is on station—in the proper location and prepared to act at a moment’s notice. This readiness is crucial for quick rescue or assistance during launch and recovery.

If the helicopter were moving toward or away from that area, it would be described as in transit, not on station. If it had moved outside the designated radius, it would be off station. Patrolling implies a continuous surveillance or pattern, which isn’t the specific status defined by being within the fixed distance.