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Pratt & Whitney Canada
Pratt & Whitney Canada (P&WC) is a Canadian aircraft engine manufacturer in Longueuil, Quebec, founded in 1928 as a subsidiary of RTX and known for the PT6 engine.
Pratt & Whitney Canada PT6
The Pratt & Whitney Canada PT6 is a turboprop and turboshaft engine family produced since 1963, with over 64,000 delivered and 500 million flight hours across 155 aircraft types.
Pratt & Whitney Canada PW300
The Pratt & Whitney Canada PW300 is a family of two-shaft turbofan engines in the 4,700 to 8,000-pound thrust class for business and regional jets, entering service in 1992.
Pratt & Whitney JT3D
The Pratt & Whitney JT3D is a low-bypass turbofan engine of the late 1950s that powered Boeing 707 and DC-8 airliners and, as the TF33, the B-52H.
Pratt & Whitney JT8D
The Pratt & Whitney JT8D is a low-bypass turbofan that entered service on the Boeing 727 in 1964 and powered over 4,500 aircraft, with more than 14,000 engines built.
Pratt & Whitney PW1000G
The Pratt & Whitney PW1000G, marketed as the GTF, is a geared turbofan engine family that powers the Airbus A320neo, A220, and Embraer E2, entering service in 2016.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a family of high-bypass turbofan engines that entered service on the Boeing 757 in 1984 as the first commercial engine with FADEC.
Pratt & Whitney PW300
The Pratt & Whitney PW300 is a family of two-spool turbofan engines built by Pratt & Whitney Canada for mid-size and heavy business jets, in service since 1991.
Pratt & Whitney PW4000
The Pratt & Whitney PW4000 is a family of high-bypass turbofan engines for large commercial aircraft, powering the Boeing 747, 767, 777, and Airbus A330.
Pratt & Whitney PW800
The Pratt & Whitney PW800 is a family of high-bypass turbofan engines built by Pratt & Whitney Canada, powering the Gulfstream G500, G600, and G400 and the Dassault Falcon 6X.
Pratt & Whitney R-1830 Twin Wasp
The Pratt & Whitney R-1830 Twin Wasp is an American 14-cylinder, two-row radial engine built from 1932 to 1951, more than any other aircraft engine, at 173,618 units.
Pratt & Whitney R-4360 Wasp Major
The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder, four-row air-cooled radial aircraft engine built from 1944 to 1955, powering the B-36, B-50, and Boeing 377 Stratocruiser.
Pratt & Whitney R-985 Wasp Junior
Pratt & Whitney R-985 Wasp Junior: nine-cylinder air-cooled supercharged radial aircraft engine, 300–450 hp, 985 cu in, first certificated January 1930; 39,037 built 1929–1953; powered Beech 18, Lockheed Electra, Grumman Goose, DHC Beaver, and WWII trainers.
Pratt & Whitney Wasp series
Pratt & Whitney Wasp series: family of air-cooled radial piston aircraft engines from the 1925 R-1340 Wasp through the R-1830 Twin Wasp (173,618 built) and R-4360 Wasp Major, powering DC-3, B-24, B-36.
Precision approach path indicator
A precision approach path indicator, or PAPI lights, is an airport lighting system showing red and white signals that guide pilots down the approach slope to a runway.
Precision Runway Monitor
The Precision Runway Monitor (PRM) is an air traffic surveillance system that lets aircraft fly simultaneous independent instrument approaches to parallel runways as close as 3,000 feet apart.
Premium Aerotec
Premium Aerotec was a German aerostructures manufacturer and Airbus subsidiary that produced fuselage sections for the A320, A350, and A400M before its 2025 absorption into Airbus.
Prepar3D
Prepar3D is a visual simulation platform developed by Lockheed Martin, which bought Microsoft's ESP technology in 2009 and launched it in 2010 for training across aviation, maritime, and ground domains, from underwater to sub-orbital space.
Preston A. Henne
Preston A. Henne is an American aeronautical engineer who spent 44 years at McDonnell Douglas and Gulfstream, leading six business jets to certification and winning three Collier Trophies.
Prestwick Centre
Prestwick Centre is a NATS air traffic control center in Prestwick, Ayrshire, Scotland, fully operational since January 2010 and one of two centers managing UK upper airspace.
Priceline.com
Priceline.com, also known as Priceline.com Inc, is an American online travel agency founded by Jay Walker in 1997 and known for its Name Your Own Price bidding model.
Primary surveillance radar
Primary surveillance radar (PSR) is an air traffic control sensor that detects aircraft by reflected radio pulses without any onboard equipment, providing range and azimuth but no altitude or identification.
Princess Juliana International Airport
Princess Juliana International Airport, also known as Princess Juliana Airport, is the airport of Dutch Sint Maarten in the Caribbean, known for aircraft passing low over Maho Beach.
Private pilot licence
A private pilot license, in the United States a private pilot certificate, allows the holder to fly an aircraft as pilot in command for private, non-commercial flights.
Prohibited airspace
Prohibited airspace is a volume of airspace within which civil flight is forbidden outright, typically protecting sensitive sites such as the White House or Camp David.
Project Blue Book (TV series)
Project Blue Book is an American historical drama television series on History, created by David O'Leary and executive produced by Robert Zemeckis, dramatizing the Air Force's real 1950s UFO investigations.
Project Iceworm
Project Iceworm, also known as Operation Iceworm, was a top-secret US Army Cold War plan to hide up to 600 nuclear missiles in tunnels under Greenland's ice sheet.
Project Pigeon
Project Pigeon, also known as Project Orcon, was a World War II US program in which B. F. Skinner trained pigeons to guide a glide bomb.
Project Pluto
Project Pluto was a US Atomic Energy Commission and Air Force program, run from 1957 to 1964, to develop a nuclear ramjet engine for a Mach 3 cruise missile.
Project Sunrise (Qantas)
Project Sunrise, also known as Qantas Project Sunrise, is Qantas' program for non-stop flights between Australia's east coast and London and New York, starting in October 2027.