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TVRS-44
The TVRS-44 Ladoga (ТВРС-44 «Ладога») is a Russian 44-seat twin-engine turboprop regional airliner developed by UZGA in Yekaterinburg to replace the Soviet-era An-24 and Yak-40; its civil version was suspended in May 2026.
TWA Flight 3
TWA Flight 3 was a Transcontinental and Western Air DC-3 that crashed into Potosi Mountain near Las Vegas in January 1942, killing all 22 aboard, including Carole Lombard.
TWA Flight Center
The TWA Flight Center, also known as the TWA Terminal, is an airline terminal at New York's JFK Airport designed by Eero Saarinen, opened in 1962 and reopened as the TWA Hotel in 2019.
Tweed New Haven Airport
Tweed New Haven Airport (HVN), also called Tweed-New Haven Airport, is Southern Connecticut's airport in New Haven, opened 1931, renamed 1961 for manager Jack Tweed, served by Avelo and Breeze with 34 nonstop destinations and an approved runway and terminal expansion.
Twelve O'Clock High
Twelve O'Clock High: 1949 Twentieth Century-Fox war drama directed by Henry King, starring Gregory Peck as Gen. Frank Savage of a demoralized Eighth Air Force B-17 group; Oscar-winning, National Film Registry, leadership-training classic, later an ABC TV series.
Twentynine Palms Strategic Expeditionary Landing Field
The Twentynine Palms Strategic Expeditionary Landing Field is a Marine Corps expeditionary airfield at Twentynine Palms, California, built of aluminum matting and opened in 1976.
Twin-boom aircraft
A twin-boom aircraft carries its horizontal tail on two slender booms extending aft from the wing or fuselage, leaving space free for a pusher propeller, rocket exhaust, or cargo loading.
Twinjet
A twinjet, also written twin jet, is a jet aircraft with two engines, now the dominant design for both single-aisle and wide-body airliners under ETOPS rules.
Type 004 aircraft carrier
The Type 004 is China's fourth aircraft carrier, under construction at the Dalian Shipyard since at least 2024 and widely assessed to be its first nuclear-powered carrier.
Type 075 landing helicopter dock
The Type 075 landing helicopter dock, known as the Yushen class, is a class of Chinese amphibious assault ships, China's first, with the lead ship Hainan commissioned in 2021.
Type certificate
A type certificate, also called type certification, is a design approval issued by aviation authorities like the FAA and EASA once an aircraft design meets airworthiness standards.
Type Inspection Authorization
The Type Inspection Authorization (TIA) is an FAA document, issued on Form 8110-1, that authorizes the conformity inspections, airworthiness inspections, and flight tests required for Type Certificate certification.
Type rating
A type rating is an endorsement on a pilot certificate qualifying the holder to fly a specific aircraft type, such as the Boeing 737 or Airbus A320.
U-Tapao International Airport
U-Tapao International Airport (ท่าอากาศยานอู่ตะเภา), also called U-Tapao Rayong-Pattaya International Airport, is a joint civil-military airport in Rayong Province, Thailand, near Pattaya, built as a US air base in 1966 and now slated for major expansion.
U.S. Air Force Test Pilot School
The U.S. Air Force Test Pilot School, established in 1944, trains Air Force test pilots, flight test engineers, and space testers at Edwards Air Force Base, California.
U.S. Navy and U.S. Marine Corps aircraft tail codes
Tail codes are letters, usually two, painted on U.S. Navy and Marine Corps aircraft tails to identify the wing, group, or squadron, adopted in 1946.
UCCA (unmanned combat aircraft)
UCCA, short for uncrewed collaborative combat aircraft and also known as a loyal wingman, is an autonomous armed drone that teams with crewed fighter jets rather than flying independent strike missions.
UDAN (उड़े देश का आम नागरिक)
UDAN (उड़े देश का आम नागरिक, Ude Desh Ka Aam Naagrik) is India's Regional Connectivity Scheme, launched in 2016 to make air travel affordable from smaller towns through fare caps and airline subsidies.
Uganda Civil Aviation Authority
The Uganda Civil Aviation Authority (UCAA) regulates civil aviation in Uganda and operates Entebbe International Airport, established by the Civil Aviation Authority Act of 1994.
Ukraine International Airlines
Ukraine International Airlines (Міжнародні авіалінії України, or UIA) was Ukraine's flag carrier and largest airline, founded in 1992 and based at Kyiv's Boryspil Airport until the 2022 invasion halted flights.
Ukraine International Airlines Flight 752
Ukraine International Airlines Flight 752, flight PS752, was a Tehran-to-Kyiv Boeing 737 shot down by Iran's Revolutionary Guard shortly after takeoff on January 8, 2020, killing all 176 aboard.
Ukrainka (Украинка) (air base)
Ukrainka (Украинка), also known as Seryshevo, is a Russian long-range aviation air base in Amur Oblast that hosts Tu-95MS strategic bombers under the 326th Heavy Bomber Division.
Ultraflight Lazair
The Ultraflight Lazair, or Lazair, is a Canadian single-seat, twin-engine ultralight aircraft designed by Dale Kramer in 1978. Sold in kit form from 1979, over 1,200 were built.
Ultralight aircraft engines
Ultralight aircraft engines are lightweight, usually non-certified piston engines that power ultralights, traditionally two-strokes like the Rotax 503 and 582, now shifting toward four-strokes such as the Rotax 912.
Ultralight aviation
Ultralight aviation, known as microlight aviation in Britain and ULM in France, is sport aviation using very light aircraft flown under far lighter rules than certificated aircraft.
Ultralight trike
An ultralight trike, also called a weight-shift control aircraft, is a powered aircraft with a hang-glider-style wing on a wheeled carriage, steered by shifting weight.
Umar Farouk Abdulmutallab
Umar Farouk Abdulmutallab, known as the underwear bomber, is a Nigerian who attempted to detonate a bomb aboard Northwest Flight 253 near Detroit on Christmas Day 2009 and was sentenced to life in prison.
Uncontrolled decompression
Uncontrolled decompression, also known as depressurization, is an unplanned loss of cabin pressure in a pressurized aircraft, caused by system malfunction or structural damage such as in Aloha Airlines Flight 243.
Union Pearson Express
Union Pearson Express (UP Express) is an airport rail link connecting Toronto Pearson International Airport with Union Station in downtown Toronto, operated by Metrolinx; it launched on June 6, 2015.
Unit load device
A unit load device (ULD), also called a ULD container, is a container or pallet with net that groups cargo, mail, and baggage for air transport.