Also known as: AP., AP..., ap_
AP has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of AP in Military.
Automatic control system used for automatic navigation. The system can sense the difference between the ordered course of the ship and the actual course and will cause the rudder to move to an angle proportional to this error. The autopilot keeps the vessel on the correct heading without the helmsmans intervention.
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