The Pilatus PC-6 Porter is a civilian utility aircraft built by Pilatus Aircraft of Switzerland.
Design and development
The first prototype made its maiden flight on 4 May 1959
powered by a 254 kW (340-shp) piston engine
. The first Turbo Porter
, powered by a turboprop
, flew in 1961. The Turbo Porter received an engine upgrade in 1963, which increased its power to its present value of 410 kW (550-shp).
In the United States, the Porter was manufactured under license by Fairchild Hiller. In service with the U.S. Air Force, it received the designation AU-23A Peacemaker. In U.S. Army use, it was designated UV-20 Chiricahua.
The PC-6 is famous in the aviation world for its Short Take-off and Landing (STOL) performance on almost any type of terrain - it can take-off within a distance of and land within a distance of while carrying a payload of 1,500 kg (3,300 lb) (The length of a soccer field is enough, Pilatus test pilots were able to land on not much more than of space). Thanks to its STOL performance, the PC-6 holds the world record for highest landing by a fixed wing aircraft, at , on the Dhaulagiri glacier in Nepal.
- Initial production version, powered by a 254-kW (340-hp) Avco Lycoming GSO-480-B1A6 flat-six piston engine.PC-6/350
- Improved version of the PC-6, powered by a 261-kW (350-hp) Avco Lycoming IGO-540-A1A piston engine.PC-6/A Turbo-Porter
- Initial turboprop powered version, fitted with a 320-kW (523-shp) Turbomeca Astazou IIE or IIG turboprop engine.PC-6/A1 Turbo-Porter
- This 1968 version was powered by a 427-kW (573-shp) Turbomeca Astazou XII turboprop engine.PC-6/A2 Turbo-Porter
- This 1971 version was powered by a 427-kW (573-shp) Turbomeca Astazou XIVE turboprop engine.PC-6/B Turbo-Porter
- This version was powered by a 410-kW (550-shp) Pratt & Whitney Canada PT6A-6A turboprop engine.PC-6/B1 Turbo-Porter
- Similar to the PC-6/B, but fitted with a 410-kW (550-shp) Pratt & Whitney Canada PT6A-20 turboprop engine.PC-6B2-H2 Turbo-Porter
- Fitted with a 507-kW (680-shp) Pratt & Whitney Canada PT6A-27 turboprop engine.PC-6/C Turbo-Porter
- One prototype built by Fairchild Industries in the USA, powered by a 429-kW (575-shp) Garrett TPE-331-25D turboprop engine.PC-6/C1 Turbo-Porter
- Similar to the PC-6/C, but fitted with a 429-kW (575-shp) Garrett TPE 331-1-100 turboprop engine.PC-6/C2-H2 Porter
- Developed by Fairchild Industries in the USA. It was powered by a 485-ekW (650-ehp) Garrett TPE 331-101F turboprop engine. PC-6/D-H3 Porter
- One prototype, fitted with a 373-kW (500-hp) avco Lycoming turbocharged piston engine.AU-23A Peacemaker
- Armed gunship, counter-insurgency, utility transport version for the U.S. Air Force. It was used during the Vietnam War in the early 1970s. 35 were built under licence in the USA by Fairchild Industries. All aircrafts were sold to Royal Thai Air Force.UV-20A Chiricahua
- STOL utility transport version for the U.S. Army. Two UV-20As were based in West Berlin during the 1970s and 1980s.PC-8 Twin Porter
- Twin-engined version flown in 1967, but not subsequently developed.
Law Enforcement operators
Specifications (PC-6 B2 Turbo Porter)