AA: American Airlines
AA: antiaircraft
AAA: Aviation Academy Austria
AAAH: Airbus Approved Abbreviation Handbook
AABNCP: Advanced Airborne National Command Post
AAC: Airline Abbreviation Code
AAC: Anti Aircraft Co-operation
AAC: Army Air Corps
AACC: Army Air Corps Center
AACF: Anti-aircraft Co-operation Flight
AACT: AA Candy Thief
AACTDC: Army Air Corpse Tactical Development Center
AACU: Anti-aircraft Co-operation Unit
AAD: Airbus Abbreviations Dictionary
AAD: Assigned Altitude Deviation
AAE: Above Airport Elevation
AAEE: Aeroplane and Armament Experimental Establishment
AAF: Anti Aircraft Flight
AAF: Auxiliary Air Force
AAFCE: Allied Air Forces, Central Europe
AAFE: Advanced Applications Flight Equipment
AAFNE: Allied Air Forces Northern Europe
AAFSE: Allied Air Forces Southern Europe
AAGS: Air Armament & Gas School
AAH: Advanced Attack Helicopter
AAIB: Air Accidents Investigation Branch
AAITS: Airmen Aircrew Initial Training school
AAL: above aerodrome level
AAL: above airport level
AANS: Advanced Air Navigation School
AAP: Additional Attendant Panel
AAP: Aft Attendant Panel
AAP: Air to air Missile
AAP: Aircraft acceptance Park
AAP: Army Aircraft Park
AAPA: Association of Asia Pacific Airlines
AAPC: Anti Aircraft Practice Camp
AAR: Air to Air Refueling
AAS: Air Armament School
AASF: Advanced Air Striking Force