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Svetlana Savitskaya (Светлана Евгеньевна Савицкая)
Svetlana Savitskaya (Светлана Евгеньевна Савицкая), born 1948 in Moscow, is a Soviet cosmonaut and test pilot who was the second woman in space and first woman to perform a spacewalk.
Swanwick Air Traffic Control Centre
The Swanwick Air Traffic Control Centre is a National Air Traffic Services facility in Hampshire, England, opened in 2002 to control en route traffic over England and Wales.
Swept wing
A swept wing is an aircraft wing angled backward from the fuselage, delaying shock formation and drag so jet airliners can fly near the speed of sound.
Swiss cheese model
The Swiss cheese model, also known as the Reason model, is an accident causation model introduced by psychologist James Reason in 1990, in which aligned defense weaknesses cause accidents.
Swiss International Air Lines
Swiss International Air Lines (SWISS) is Switzerland's largest airline, formed in 2002 from Crossair after Swissair's collapse and wholly owned by the Lufthansa Group since 2007.
Swiss International Air Lines Flight 1885
Swiss International Air Lines Flight 1885 was a Bucharest–Zurich flight that made an emergency landing in Graz, Austria, in 2024 after engine failure and cabin smoke.
Swissair
Swissair (Schweizerische Luftverkehr-AG) was the national airline of Switzerland from 1931 to 2002. Known as "the Flying Bank", it collapsed in 2001 after its expansionist Hunter Strategy, ceasing flights on 31 March 2002.
Swissair Flight 111
Swissair Flight 111 was a scheduled New York to Geneva flight that crashed into the Atlantic near Peggy's Cove, Nova Scotia, on 2 September 1998, killing all 229 aboard.
Swoop (airline)
Swoop was a Canadian ultra-low-cost airline operated by WestJet from Calgary, offering no-frills Boeing 737 fares from 2018 until it was folded into WestJet in 2023.
Sydney Airport
Sydney Airport, also known as Sydney Kingsford Smith Airport, is Australia's primary international gateway at Mascot beside Botany Bay in Sydney, New South Wales, founded in 1920 and named after pilot Charles Kingsford Smith.
Sydney Airport Air Traffic Control Tower
The Sydney Airport Air Traffic Control Tower, also called Sydney Airport Control Tower, is the 50-meter tower serving Sydney (Kingsford Smith) Airport, built between 1993 and 1996.
Synchronization gear
Synchronization gear, also called interrupter gear, is a device that times a fighter plane's machine gun to fire only between spinning propeller blades, first used in combat in 1915.
System Wide Information Management
System Wide Information Management (SWIM) is an air traffic management concept, defined by ICAO, for exchanging aviation information between qualified parties through shared, interoperable services.
SZD-48 Jantar Standard 2/3
The SZD-48 Jantar Standard 2/3, also known as the PZL Bielsko SZD-48, is a Polish single-seat Standard Class glider built from 1977, with 675 constructed and most exported.
Szybowcowy Zakład Doświadczalny (SZD)
Szybowcowy Zakład Doświadczalny (SZD), later PZL-Bielsko, was Poland's state glider manufacturer in Bielsko-Biała, which built over 5,000 gliders and was the world's largest glider maker in the late 1970s.
T-tail
A T-tail is an aircraft empennage arrangement with the horizontal stabilizer mounted on top of the vertical fin, common on rear-engined jets like the Boeing 727 and DC-9.
T-X program
The T-X program was a US Air Force competition to replace its T-38C jet trainers, ending in 2018 with a $9.2 billion Boeing-Saab contract producing the T-7A Red Hawk.
TACA Flight 110
TACA Flight 110 was a 1988 flight whose Boeing 737 lost both engines in a hailstorm and landed safely on a levee near New Orleans, injuring no one.
TACAN
TACAN (Tactical Air Navigation) is a military UHF radio navigation system, developed by the United States military, that gives aircraft bearing and distance to a beacon.
Tachikawa Ki-77
The Tachikawa Ki-77, also known as the A-26, was a Japanese long-range experimental aircraft of World War II that flew an unofficial 16,435 km record in 1944.
TAI Anka
TAI Anka, also known as Anka UAV, is a Turkish armed medium-altitude long-endurance drone developed by Turkish Aerospace Industries for the Turkish Armed Forces, first flown in 2010.
TAI Anka-3
The TAI Anka-3 is a Turkish low-observable tailless flying-wing unmanned combat aerial vehicle built by Turkish Aerospace Industries for strike, reconnaissance, and electronic warfare missions, first flown in December 2023.
TAI TF Kaan
TAI TF Kaan, also known as TAI TFX or Millî Muharip Uçak, is a Turkish twin-engine fifth-generation stealth fighter intended to replace the Air Force's F-16s, first flown in 2024.
TAI/AgustaWestland T129 ATAK
The TAI/AgustaWestland T129 ATAK is a twin-engine, tandem two-seat Turkish attack and reconnaissance helicopter developed by Turkish Aerospace from the Italian A129 Mangusta, delivered to Turkey, the Philippines, and Nigeria.
Tail code
A tail code is a two-letter marking on the vertical tail of United States Navy and Marine Corps aircraft identifying the command it belongs to, adopted in 1946.
Tail-sitter
A tail-sitter is a VTOL aircraft that rests on its tail, rises vertically, and tips forward about 90 degrees to fly horizontally on its wing.
Tailplane
The tailplane, also known as the horizontal stabilizer, is the horizontal lifting surface at an aircraft's tail that balances the wing's pitching moment and provides pitch control.
Tailstrike
A tailstrike is an event in which an aircraft's tail strikes the runway during takeoff or landing, more common with long aircraft and often causing significant structural damage.
Takeoff
Takeoff is the phase of flight in which an aircraft accelerates from rest, lifts off when its wings generate enough lift, and climbs away in three phases.
Tallinn Airport
Tallinn Airport, officially Lennart Meri Tallinn Airport, is Estonia's main international airport in the Ülemiste district about 4 km from central Tallinn; it served 3,488,973 passengers in 2025.