AAC may refer to:
==Aviation== Advanced Aircraft, a company from Carlsbad, California Airborne aircraft carrier, a type of aircraft Alaskan Air Command, a radar network American Aeronautical Corporation, a company from Port Washington, New York American Aviation, a company from Cleveland, Ohio Amphibian Airplanes of Canada, a company from Squamish, British Columbia Civil Aviation Authority (El Salvador) (Autoridad de Aviación Civil) Civil Aviation Authority (Panama) (Autoridad Aeronáutica Civil) IATA airport code for El Arish International Airport in North Sinai Governorate, Egypt
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).