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List of United States airmail stamps
United States airmail stamps are postage stamps issued to prepay air transportation of mail, beginning with the 24-cent Curtiss Jenny in 1918 and cataloged with Scott numbers prefixed C.
List of United States attack aircraft
A list of United States attack aircraft, military aircraft whose primary mission is attacking surface targets and designated A for attack, including the A-4, A-7, A-26, and the A-10 Thunderbolt II.
List of United States Navy aircraft squadrons
The list of United States Navy aircraft squadrons covers naval aviation's flying units, whose designations like VF for fighter and VP for patrol date to the early 1920s.
List of unmanned aerial vehicles
The list of unmanned aerial vehicles (UAVs) catalogs military drones by producing nation and class, from MALE strike aircraft like the MQ-9 Reaper to one-way attack drones like the Shahed-136.
List of VTOL aircraft
The list of VTOL aircraft catalogs vertical takeoff and landing designs by mechanism, spanning the Harrier, the V-22 Osprey, and certified electric aircraft such as the EHang EH216-S.
List of X-planes
The list of X-planes covers United States experimental research vehicles designated X by the Department of Defense, beginning with the Bell X-1, the first supersonic aircraft.
List of Zeppelins
The list of Zeppelins covers the rigid airships built at Friedrichshafen, from Count von Zeppelin's LZ 1 of 1900 to LZ 130, scrapped in 1940.
Lisunov Li-2
The Lisunov Li-2 (PS-84) was a Soviet license-built version of the American Douglas DC-3, produced from 1939 and serving as the Soviet Air Force's primary World War II transport.
Lito Sousa
Lito Sousa, born Joselito Geraldo de Sousa, was a Brazilian aircraft mechanic and aviation educator whose YouTube channel Aviões e Músicas became the largest Portuguese-language aviation education platform.
Little Nellie (autogyro)
Little Nellie is the heavily armed single-seat Wallis WA-116 autogyro that starred in the 1967 James Bond film You Only Live Twice, flown by its designer Ken Wallis.
Liutyi (Лютий)
Liutyi (Лютий) is a Ukrainian long-range one-way attack drone developed by Antonov and adopted in 2024, known for strikes on Russian oil refineries at ranges up to 1,000 km.
Liverpool John Lennon Airport
Liverpool John Lennon Airport, formerly Speke Airport, is an international airport serving Liverpool, England, opened in the 1930s and renamed after John Lennon in 2001.
Load factor (aeronautics)
Load factor in aeronautics is the percentage of available airline seating capacity that is actually sold and flown, the industry's standard capacity utilization measure, reported monthly and watched because an empty seat flown is unrecoverable revenue.
Localizer Performance with Vertical Guidance
Localizer Performance with Vertical Guidance (LPV) is a GPS-based instrument approach using WAAS, flown like an ILS to a decision altitude as low as 200 feet.
Location identifier
A location identifier is a short code, usually three or four letters, standing in for an airport or facility in reservations, air traffic control, and weather reporting.
Lockheed A-12
The Lockheed A-12, known as the A-12 Oxcart, was a single-seat Mach 3 reconnaissance aircraft built for the CIA by Lockheed's Skunk Works and flown from 1967 to 1968.
Lockheed AC-130
The Lockheed AC-130, also known as Pave Spectre, is a heavily armed United States Air Force gunship built from the C-130 Hercules, first flown in combat over Vietnam in 1967.
Lockheed AH-56 Cheyenne
The Lockheed AH-56 Cheyenne, also known as the AH-56A Cheyenne, was a prototype high-speed attack helicopter developed for the United States Army, canceled in 1972 before production.
Lockheed C-130 Hercules
The Lockheed C-130 Hercules, also known as the TP 84, is a four-engine turboprop tactical airlifter that first flew in 1954, with over 2,700 delivered to 63 nations.
Lockheed C-141 Starlifter
The Lockheed C-141 Starlifter was a four-engine US Air Force jet strategic transport, the first jet designed to military standards for troops and cargo, serving from 1965 to 2006.
Lockheed C-5 Galaxy
The Lockheed C-5 Galaxy is a large American strategic airlift aircraft, the largest in the US Air Force inventory, serving since 1970 and carrying up to 270,000 pounds.
Lockheed Constellation
The Lockheed Constellation, nicknamed the Connie, is a four-engine pressurized piston airliner designed by Lockheed for TWA in 1939, recognizable by its dolphin-shaped fuselage and triple tail.
Lockheed Corporation
The Lockheed Corporation, originally the Lockheed Aircraft Company, was an American aerospace and defense company founded in 1926 that merged into Lockheed Martin in 1995.
Lockheed CP-140 Aurora
The Lockheed CP-140 Aurora is a long-range maritime patrol aircraft of the Royal Canadian Air Force, combining the P-3C Orion airframe with S-3A Viking avionics.
Lockheed D-21
The Lockheed D-21, also known as the D-21 drone, was a Mach 3 American reconnaissance drone built by Lockheed's Skunk Works in the 1960s under Project TAGBOARD.
Lockheed EC-121 Warning Star
The Lockheed EC-121 Warning Star was an American airborne early warning aircraft built from the Super Constellation airliner, flown by the Air Force and Navy from 1953 until 1978.
Lockheed EC-130
The Lockheed EC-130 is a family of US military aircraft modified from the C-130 Hercules transport to carry electronic equipment for command, psychological broadcast, and Navy submarine communications missions.
Lockheed EC-130H Compass Call
The Lockheed EC-130H Compass Call is a US Air Force electronic attack aircraft, built on a modified C-130 Hercules, that disrupts enemy command-and-control communications; it served from 1983.
Lockheed EP-3
The Lockheed EP-3, notably the EP-3E Aries II, is a US Navy signals intelligence reconnaissance aircraft converted from the P-3 Orion, serving from 1970 until retirement in 2025.
Lockheed F-104 Starfighter
The Lockheed F-104 Starfighter, nicknamed the missile with a man in it, is a supersonic Lockheed interceptor, the first US fighter to fly at Mach 2.