Aircraft engines
Explore piston engines, turboprops, turbojets, turbofans, applications, specifications, and variants.
Bristol Centaurus
The Bristol Centaurus is an eighteen-cylinder sleeve-valve radial aircraft engine. It represented a major late development of Bristol's piston-engine technology and powered aircraf
Bristol Hercules
The Bristol Hercules is a fourteen-cylinder, two-row radial aircraft engine using sleeve valves and air cooling. Roy Fedden and L. F. G. Butler began its design in March 1935. Afte
CFM International CFM56
The CFM International CFM56 is a turbofan family used on commercial airliners and military aircraft. CFM International is a joint company owned equally by GE Aerospace and Safran A
CFM International LEAP
The CFM International LEAP is a turbofan family developed for a new generation of single-aisle airliners. Its three branches power the Airbus A320neo family, Boeing 737 MAX and COM
Continental O-200
The Continental O-200 is a naturally aspirated four-cylinder aircraft piston engine rated at 100 hp at 2,750 rpm. Its long association with the Cessna 150 made it a familiar traini
Continental O-300
The Continental O-300 is an air-cooled, horizontally opposed six-cylinder aircraft engine rated at 145 hp at 2,700 rpm. It belongs to the same certified family as the earlier C145.
Engine Alliance GP7200
The Engine Alliance GP7200 is a high-bypass turbofan developed for the Airbus A380 by the joint venture between General Electric and Pratt & Whitney. It entered revenue service wit
Eurojet EJ200
The Eurojet EJ200 is an afterburning turbofan powering the Eurofighter Typhoon. It is produced by a consortium comprising Rolls-Royce, MTU Aero Engines, Avio Aero and ITP Aero. MTU
Europrop TP400-D6
The Europrop TP400-D6 is a large turboprop developed for the Airbus A400M military transport. Its output exceeds 11,000 shaft horsepower at sea level. The engine received EASA civi
General Electric Catalyst
The General Electric Catalyst is a turboprop developed by GE Aerospace and Avio Aero for a 1,200–1,400 shp design range. It received FAA certification in February 2025. The program
General Electric CF34
The General Electric CF34 is a turbofan family central to the growth of regional jets. It entered business-aircraft service on the Challenger 601 in 1983 and airline service on Luf
General Electric CF6
The General Electric CF6 is a high-bypass turbofan family that established GE in the commercial widebody market. The CF6-6 entered service on the McDonnell Douglas DC-10-10 in 1971
General Electric CT7
The General Electric CT7 is the civil-certified branch of the T700/CT7 engine family, encompassing both turboshaft and turboprop designs. Its applications include regional airliner
General Electric F101
The General Electric F101 is an afterburning turbofan developed for the B-1 bomber programme. Rated in the 30,000 lbf thrust class, it was GE's first production turbofan design to
General Electric F110
The General Electric F110 is a low-bypass afterburning turbofan used in versions of the F-16 and F-15. It entered production in 1984 after GE developed a fighter engine using the F
General Electric F118
The General Electric F118 is a non-afterburning turbofan used in the Northrop B-2A Spirit and Lockheed U-2S. It belongs to the same broad core lineage as the F101 and F110, with a
General Electric F404
The General Electric F404 is a low-bypass turbofan family developed for the F/A-18 Hornet and subsequently adapted to a wide range of fighters and trainers. Most versions use after
General Electric F414
The General Electric F414 is an afterburning turbofan developed for the F/A-18E/F Super Hornet. Its first engine run took place in 1993, and GE records programme service introducti
General Electric GE90
The General Electric GE90 is a large turbofan family developed specifically for the Boeing 777. It entered service in 1995 and subsequently expanded from the original 777 engine co
General Electric GE9X
The General Electric GE9X is a large high-bypass turbofan developed for the Boeing 777X. It received FAA engine certification in September 2020. The programme extends GE's experien
General Electric GEnx
The General Electric GEnx is a turbofan family used on the Boeing 787 Dreamliner and Boeing 747-8. Its two principal branches are the GEnx-1B for the 787 and GEnx-2B for the 747-8.
General Electric J47
The General Electric J47 is an axial-flow turbojet developed from the J35. It first flew in May 1948 in the XF-86 Sabre and became one of the principal American military engines of
General Electric J79
The General Electric J79 is an afterburning turbojet developed from 1952 as a more powerful successor to the J47. It powered several prominent supersonic military aircraft, includi
General Electric J85
The General Electric J85 is a compact turbojet used in trainers, light fighters, attack aircraft and unmanned decoys. Design studies began in late 1953, and the prototype ran in Ja
General Electric Passport
The General Electric Passport is a turbofan developed for Bombardier's large, long-range business jets. It entered service in 2018 and powers the Global 7500 and Global 8000. GE's
General Electric T58
The General Electric T58 is a compact turboshaft that helped establish turbine power in helicopters. Its development began under a US Navy contract in 1953, and two XT58-GE-2 engin
General Electric T64
The General Electric T64 is a free-turbine engine developed in turboshaft and turboprop forms. It became a principal powerplant of the Sikorsky H-53 heavy-helicopter family and lat
General Electric T700
The General Electric T700 is a turboshaft developed for demanding military helicopter operations. It entered service in the Sikorsky UH-60 Black Hawk in 1978 and subsequently power
Honeywell ALF502
The ALF502 is a geared high-bypass turbofan developed by Lycoming and subsequently supported by Honeywell. Certified in 1980, the family powered the BAe 146 regional airliner and t
Honeywell HTF7000
The Honeywell HTF7000 is a turbofan family used by several large-cabin business jets. Applications include the Bombardier Challenger 300 and 350, Gulfstream G280, Citation Longitud
Honeywell T55
The Honeywell T55 is a turboshaft engine family closely associated with the Boeing Chinook helicopter. Two T55s have powered the aircraft since its first flight in 1961. Successive
Honeywell TFE731
The Honeywell TFE731 is a geared turbofan family developed specifically for business aviation. The original TFE731-2 was certified in August 1972 and entered production the followi
Honeywell TPE331
The Honeywell TPE331 is a single-shaft turboprop family developed for military, regional-airline, agricultural and general-aviation aircraft. Design work began in 1959 and certific
International Aero Engines V2500
The International Aero Engines V2500 is a two-spool turbofan used on the Airbus A319, A320 and A321, the McDonnell Douglas MD-90 and the Embraer C-390 Millennium. It entered servic
Jet engine
A jet engine produces thrust by accelerating a stream of fluid and experiencing the reaction force. In everyday aviation usage, the term usually refers to air-breathing gas-turbine
Lycoming LTS101
The Lycoming LTS101 is a small turboshaft engine family subsequently associated with Honeywell and Intermountain Turbine Services. Its models include the -600, -650, -700, -750 and
Lycoming O-235
The Lycoming O-235 is a four-cylinder, horizontally opposed aircraft piston engine with air cooling and a direct propeller drive. Its 233.3-cubic-inch displacement places it among
Lycoming O-320
The Lycoming O-320 is a carburetted, air-cooled four-cylinder aircraft engine with a horizontally opposed layout. Its crankshaft drives the propeller directly, and displacement is
Lycoming O-360
The Lycoming O-360 is a family of four-cylinder, horizontally opposed, air-cooled piston aircraft engines. The designation belongs to Lycoming's 360-cubic-inch class, widely used i
Lycoming O-540
The Lycoming O-540 is a family of carburetted, six-cylinder aircraft engines with a horizontally opposed layout, air cooling and direct propeller drive. Its applications range from
Lycoming T53
The Lycoming T53 is a free-turbine engine family used as both a helicopter turboshaft and an aircraft turboprop. It powered the Bell UH-1 Iroquois, AH-1 Cobra and Grumman OV-1 Moha
Napier Sabre
The Napier Sabre is a liquid-cooled, twenty-four-cylinder aircraft engine with an H configuration and sleeve valves. Designed under Frank Halford, it became the powerplant of the H
Pratt & Whitney Canada PT6
The Pratt & Whitney Canada PT6 is a family of gas-turbine aircraft engines best known through the PT6A turboprop. The wider lineage also includes helicopter turboshaft engines. Pra
Pratt & Whitney Canada PW100
The Pratt & Whitney Canada PW100 is a turboprop family introduced on the de Havilland Canada Dash 8-100 in 1984. It subsequently powered regional airliners, military transports and
Pratt & Whitney Canada PW150
The Pratt & Whitney Canada PW150 is a turboprop design best known for the PW150A installation on the de Havilland Dash 8-400. It occupies a higher power class than the earlier PW10
Pratt & Whitney Canada PW200
The Pratt & Whitney Canada PW200 is a family of small turboshaft engines used in light twin-engine helicopters. Its principal PW206 and PW207 series entered service during the 1990
Pratt & Whitney Canada PW300
The Pratt & Whitney Canada PW300 is a turbofan family serving medium-size and larger business jets. It encompasses the PW305, PW306, PW307 and PW308 series, broadly covering the 4,
Pratt & Whitney Canada PW500
The Pratt & Whitney Canada PW500 is a turbofan family for light and medium-size business jets. Its PW530, PW535 and PW545 series cover approximately 2,900–4,500 pounds of thrust an
Pratt & Whitney Canada PW600
The Pratt & Whitney Canada PW600 is a compact turbofan family designed for very light and light business jets. Production applications include the Eclipse 500, Cessna Citation Must
Pratt & Whitney Canada PW800
The Pratt & Whitney Canada PW800 is a turbofan family developed for long-range business aircraft. The PW812D powers the Dassault Falcon 6X, the PW814GA the Gulfstream G500 and the
Pratt & Whitney F100
The Pratt & Whitney F100 is an afterburning turbofan family used in the F-15 Eagle and F-16 Fighting Falcon. Development began in the late 1960s for the F-X fighter programme that
Pratt & Whitney F119
The Pratt & Whitney F119 is a twin-spool afterburning turbofan powering the Lockheed Martin F-22 Raptor. Two F119-PW-100 engines give the fighter the ability to sustain supersonic
Pratt & Whitney F135
The Pratt & Whitney F135 is the propulsion engine for all three versions of the Lockheed Martin F-35 Lightning II. The programme combines a common engine lineage with different ins
Pratt & Whitney JT3D
The Pratt & Whitney JT3D is an early turbofan used by the Boeing 707 and Douglas DC-8. Its military counterpart, the TF33, powered aircraft ranging from the B-52H bomber to the C-1
Pratt & Whitney JT8D
The Pratt & Whitney JT8D is a turbofan family that powered several major generations of short- and medium-haul jet airliners. Revenue service began on the Boeing 727 in February 19
Pratt & Whitney JT9D
The Pratt & Whitney JT9D is a high-bypass turbofan associated with the introduction of widebody airline transport. It entered service on the Boeing 747 in January 1970 and subseque
Pratt & Whitney PW1000G
The Pratt & Whitney PW1000G is a family of geared turbofan engines marketed as the GTF. Members power the Airbus A220, Airbus A320neo family and Embraer E-Jet E2 family. The name d
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan developed for the Boeing 757. Its military derivative, designated F117, powers the Boeing C-17 Globemaster III. The family occu
Pratt & Whitney PW4000
The Pratt & Whitney PW4000 is a family of large commercial turbofans divided into three principal groups by fan diameter: 94, 100 and 112 inches. These groups serve different wideb
Pratt & Whitney R-1340 Wasp
The Pratt & Whitney R-1340 Wasp is a nine-cylinder, air-cooled radial engine that established the company's reputation in aviation. The first Wasp was completed on 24 December 1925
Pratt & Whitney R-1830 Twin Wasp
The Pratt & Whitney R-1830 Twin Wasp is a fourteen-cylinder air-cooled radial arranged in two rows of seven cylinders. It became one of the principal American aircraft engines of t
Pratt & Whitney R-2800 Double Wasp
The Pratt & Whitney R-2800 Double Wasp is an eighteen-cylinder, two-row air-cooled radial engine. Developed from 1936, it became a major powerplant for American combat aircraft dur
Pratt & Whitney R-4360 Wasp Major
The Pratt & Whitney R-4360 Wasp Major is a twenty-eight-cylinder air-cooled radial engine developed near the end of the Second World War. Its four rows of cylinders and 4,360-cubic
Rolls-Royce AE 1107C
The Rolls-Royce AE 1107C, also designated T406, is the turboshaft engine used in the Bell Boeing V-22 Osprey. It belongs to the AE family and supplies shaft power for tiltrotor ope
Rolls-Royce AE 2100
The Rolls-Royce AE 2100 is a turboprop family serving regional passenger aircraft, military transports and amphibious search-and-rescue aircraft. It entered service in 1994 and is
Rolls-Royce AE 3007
The Rolls-Royce AE 3007 is a two-shaft, high-bypass turbofan with civil business-aircraft and military surveillance applications. Members of the family power Cessna Citation X airc
Rolls-Royce Avon
The Rolls-Royce Avon is an axial-flow turbojet that powered several important postwar fighters, bombers and airliners. Development began in 1945 under the AJ.65 designation, referr
Rolls-Royce BR700
The Rolls-Royce BR700 is a turbofan family encompassing the BR710, BR715 and BR725. Produced at Dahlewitz in Germany, these engines serve business jets and the Boeing 717 regional
Rolls-Royce Derwent
The Rolls-Royce Derwent is an early centrifugal-flow turbojet associated principally with the Gloster Meteor. Its first prototype ran in 1943, continuing the development of British
Rolls-Royce Griffon
The Rolls-Royce Griffon is a large, liquid-cooled V12 aero engine of approximately 37 litres displacement. It powered later Spitfires, Fairey Fireflies and the Avro Shackleton. Its
Rolls-Royce Merlin
The Rolls-Royce Merlin was a British piston aircraft engine associated with Allied fighters and bombers during the Second World War. Its importance extended beyond one famous aerop
Rolls-Royce Nene
The Rolls-Royce Nene, designated RB.41, is a centrifugal-flow turbojet developed in 1944. Early engines produced about 5,000 lbf thrust, a substantial increase over the Welland and
Rolls-Royce Pegasus
The Rolls-Royce Pegasus is a vectored-thrust turbofan developed to provide both lift and forward propulsion for the Harrier family. Originating at Bristol Aero-Engines, it made a p
Rolls-Royce RB211
The Rolls-Royce RB211 is a three-shaft, high-bypass turbofan family that began airline service in 1972 on the Lockheed L-1011 TriStar. It was the TriStar's sole engine and subseque
Rolls-Royce Spey
The Rolls-Royce Spey is a low-bypass turbofan family that served both civil and military aviation. Its civil installations included the Trident, BAC One-Eleven, Fokker F28 and Grum
Rolls-Royce Tay
The Rolls-Royce Tay is a medium-bypass turbofan used in business jets, regional airliners and Boeing 727 re-engining programmes. Its applications include the Gulfstream GIV and the
Rolls-Royce Trent 1000
The Rolls-Royce Trent 1000 is a turbofan designed for the Boeing 787 Dreamliner. It powered the aircraft's entry into passenger service with All Nippon Airways on 26 October 2011.
Rolls-Royce Trent 700
The Rolls-Royce Trent 700 is the first Trent-family turbofan to enter airline service. Developed for the Airbus A330, it began operating with Cathay Pacific in 1995 and established
Rolls-Royce Trent 7000
The Rolls-Royce Trent 7000 is the exclusive engine for the Airbus A330neo. It combines technology from later Trent programmes with experience gained supporting the original A330's
Rolls-Royce Trent 800
The Rolls-Royce Trent 800 is a large turbofan for the original Boeing 777 family. It entered service in April 1996, building on experience with the Trent 700 for the Airbus A330. T
Rolls-Royce Trent 900
The Rolls-Royce Trent 900 is a high-bypass turbofan developed for the Airbus A380. It belongs to the Trent family of three-shaft engines and was designed around the requirements of
Rolls-Royce Trent XWB
The Rolls-Royce Trent XWB is the turbofan family developed for the Airbus A350. The Trent XWB-84 powers the A350-900, while the more powerful XWB-97 equips the A350-1000. The two p
Rolls-Royce/Snecma Olympus 593
The Rolls-Royce/Snecma Olympus 593 was the turbojet powerplant of Concorde. Four engines powered each aircraft, combining normal jet operation with reheat for take-off and accelera
Rotax 912
The Rotax 912 is a family of four-cylinder, four-stroke aircraft piston engines combining liquid and air cooling with a propeller reduction gearbox. Its carburetted versions includ
Rotax 914
The Rotax 914 is a turbocharged four-cylinder aircraft engine developed from the Rotax 912. Work on the more powerful derivative began in 1990, and the certified 914 F versions rec
Safran Arriel
The Safran Arriel is a turboshaft family for light helicopters, originally developed by Turbomeca. The first certified variants were the Arriel 1A for the AS365 Dauphin and 1B for
Safran Arrius
The Safran Arrius is a small turboshaft family used in single-engine and twin-engine light helicopters. It spans the approximately 450–750-shaft-horsepower class, with important ap
Safran M88
The Safran M88 is the afterburning turbofan powering the Dassault Rafale. Two engines equip the multirole fighter in both land-based and carrier-based service. The design combines
Safran Makila
The Safran Makila is a turboshaft engine family for heavy helicopters in the approximately nine-to-twelve-tonne class. Its principal applications include Airbus Super Puma and Coug
Turbofan
A turbofan is a gas-turbine engine that uses a powered fan to accelerate air around its core as well as through it. Thrust comes from both the bypass stream and the core exhaust. T
Turbojet
A turbojet is an air-breathing gas turbine that produces thrust by accelerating its exhaust through a nozzle. Air passes through an inlet, compressor, combustion chamber and turbin
Turboprop
A turboprop is a gas-turbine engine that drives an aircraft propeller. Most of the propulsive force comes from the propeller, with a smaller contribution from the engine exhaust. T
Turboshaft
A turboshaft is a gas turbine arranged to deliver mechanical power through an output shaft. In helicopters, that power passes through the transmission to the rotor systems. Most us
Wright R-1820 Cyclone
The Wright R-1820 Cyclone is a nine-cylinder, air-cooled radial aircraft engine introduced in 1931. Developed from earlier Cyclone designs, it began at 575 hp and eventually reache
Wright R-3350 Duplex-Cyclone
The Wright R-3350 Duplex-Cyclone is an eighteen-cylinder, two-row radial aircraft engine with air cooling and a displacement of 3,350 cubic inches. First run in May 1937, it became