Potez 840

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Potez 840
Type 18-Passenger executive transport monoplane
Manufacturer Potez
Maiden flight 1961
Produced 1961-1967
Number built 8

The Potez 840 was a 1960s French four-engined 18-passenger executive monoplane, the last aircraft to use the Potez name.

[edit] Development

The Potez 840 was an all-metal low-wing cantilever monoplane with a retractable tricycle landing gear. It had a crew of three and a cabin for 18 passengers. Powered by four 440shp (328kW) Turboméca Astazou II turborops two mounted on the leading edge of each wing. The prototype first flew on 29 April 1961, a second aircraft flew in June 1962 and had more powerful 600shp (447kW) Turboméca Astazou XII engines. The second prototype carried out a sales tour of North America and it was planned to build a batch of 25 aircraft but only two more prototype aircraft were built, one for static testing. The next two aircraft were designated the Potez 841 and they were powered by 550shp (417kW) Pratt & Whitney of Canada PT6A-6 turboprops. Two more modified Aztazou-powered aircraft were produced, one in 1965 and one in 1967.

[edit] Variants

Potez 840
Astazou-powered variant, four built.
Potez 841
PT6-powered variant, two built.
Potez 842
Modified Aztazou-powered variant, two built.

[edit] Survivors

  • One aircraft is displayed at the Musée de l'Air in Paris.

[edit] Specifications (Potez 840)

General characteristics

  • Crew: 3
  • Capacity: 18 passengers
  • Wingspan: 19.33 m (63 ft 5 in)
  • Gross weight: 7800 kg (17,196 lb)
  • Powerplant: 4 × Turboméca Astazou XII turboprop, 447 kW (600 hp) each

Performance

  • Maximum speed: 540 km/h (336 mph)


[edit] References

  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. 
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing, 2776-7. 


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