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ARINC 717
ARINC 717 is an avionics standard defining the data stream by which the flight data acquisition unit delivers flight parameters to the flight data recorder on transport aircraft.
Armed Aerial Scout
Armed Aerial Scout was a United States Army program, active from about 2009 to 2014, to replace the OH-58D Kiowa Warrior armed scout helicopter before its cancellation.
Armstrong limit
The Armstrong limit, also known as Armstrong's line, is the altitude of about 62,000 ft where atmospheric pressure is so low that exposed body fluids boil at body temperature, making a pressure suit necessary for survival.
Armstrong Whitworth A.W.52
The Armstrong Whitworth A.W.52 was a British experimental tailless flying-wing jet built in the late 1940s to test a laminar flow wing for a proposed airliner.
Armstrong Whitworth Whitley
The Armstrong Whitworth Whitley (AW.38) was a British twin-engined bomber flown by the RAF from 1937, one of Bomber Command's three front-line bombers in 1939.
Army Air Corps (United Kingdom)
The Army Air Corps, also known as the British Army Air Corps, is the aviation arm of the British Army, reformed in its present shape on 1 September 1957.
Army Aviation Corps (India)
The Army Aviation Corps (AAC), also known as the Indian Army Aviation Corps, is the aviation arm of the Indian Army, raised in 1986 from Air OP units.
Arresting gear
Arresting gear, also called arrester gear or arresting wire, is a system of cables and energy absorbers that stops landing aircraft, standard equipment on aircraft carriers.
Art Scholl
Art Scholl (Arthur Everett Scholl, 1931–1985) was an American aerobatic champion, air show performer, and aerial cinematographer who died in 1985 filming a flat inverted spin for Top Gun.
Arturo Merino Benítez International Airport
Arturo Merino Benítez International Airport, IATA code SCL, is Chile's principal international airport, serving Santiago from Pudahuel since 1967 with capacity for 38 million passengers a year.
ASDE-X
ASDE-X, short for Airport Surface Detection Equipment Model X, is an FAA system combining radar, multilateration, and ADS-B to track aircraft and vehicles on airport surfaces and warn of runway conflicts.
Asiana Airlines (아시아나항공)
Asiana Airlines, also known as Asiana Hanggong, is a South Korean full-service airline founded in 1988, hubbed at Incheon International Airport, to be absorbed into Korean Air in 2026.
Asiana Airlines Flight 214
Asiana Airlines Flight 214 was a Boeing 777 that struck a seawall while landing at San Francisco International Airport on July 6, 2013, killing 3 passengers.
Asman Airlines (Асман Эйрлайнс)
Asman Airlines (Асман Эйрлайнс) is a state-owned regional airline of Kyrgyzstan, founded in 2023 and owned by Airports of Kyrgyzstan, flying Dash 8 Q400s across the country since 2024.
Aspect ratio (aeronautics)
In aeronautics, the aspect ratio of a wing is its span squared divided by wing area, a measure of how long and slender the wing is.
Asunción Silvio Pettirossi International Airport
Asunción Silvio Pettirossi International Airport, also known as Aeropuerto Internacional Silvio Pettirossi, is Paraguay's main international airport, serving the capital, Asunción, with its current terminal opened in 1980.
Asymmetric aircraft
An asymmetric aircraft is one whose engine, crew pod, or fuselage sits off the centerline, best known in the German Blohm & Voss BV 141 reconnaissance plane, first flown in 1938.
ATA 100
ATA 100 is a 1956 Air Transport Association specification standardizing the technical data manufacturers provide for aircraft; frozen in 1999, it was incorporated into ATA iSpec 2200 in 2000.
ATA Airlines
ATA Airlines, formerly American Trans Air, was an American low-cost airline based in Indianapolis, Indiana, operating from 1973 to 2008 and known for charter and military flights.
Atatürk Airport
Atatürk Airport is a former international airport in Istanbul, Turkey, its main gateway from 1953 until passenger traffic moved to Istanbul Airport in 2019.
ATC clearance
An ATC clearance is an authorization issued by air traffic control for an aircraft to proceed under specified conditions, typically on an instrument flight plan in controlled airspace.
Athens International Airport (Ελευθέριος Βενιζέλος)
Athens International Airport, also known as Eleftherios Venizelos, is Greece's largest airport, serving the capital from Spata, about 33 km northeast of Athens, since 2001.
Atlantic Southeast Airlines Flight 529
Atlantic Southeast Airlines Flight 529 crashed near Carrollton, Georgia, on August 21, 1995, after a propeller blade separated in flight, killing 9 of the 29 aboard.
Atlas Air
Atlas Air is an American cargo airline founded in 1992 by Michael Chowdry, the world's largest ACMI provider and operator of the largest Boeing 747 freighter fleet.
Atlas Air Flight 3591
Atlas Air Flight 3591 was a Boeing 767 cargo flight for Amazon that crashed into Trinity Bay, Texas, on February 23, 2019, killing all three people aboard.
Atlas Cheetah
The Atlas Cheetah, also known as the Denel Cheetah, was a South African fighter jet, an upgrade of the Mirage III, serving from 1986 to 2008.
Atlas Oryx
The Atlas Oryx, also known as the Denel Oryx, is a medium utility helicopter built in South Africa during the arms embargo and serving the South African Air Force since 1989.
ATP Flight School
ATP Flight School is a large American flight training company headquartered in Jacksonville Beach, Florida. Founded in 1984 in Atlanta, it operates 87 training centers nationwide.
ATR (aircraft manufacturer)
ATR (Avions de transport régional) is a Franco-Italian aircraft manufacturer founded in 1981, jointly owned by Airbus and Leonardo, best known for the ATR 42 and ATR 72 regional turboprops.
ATR 42
The ATR 42 is a twin-turboprop regional airliner built by Franco-Italian manufacturer ATR, seating up to 48 passengers. It first flew in 1984 and remains in production.