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  Aircraft History, Specification and Information
Piper PA-31T Cheyenne
N824VA a 1981 Piper PA-31T1 Cheyenne I
1981 Piper PA-31T1 Cheyenne I - N824VA (sn 31T-8104039)
Photo taken July 09, 2009
Seattle - Boeing Field / King County Intl, WA - USA (BFI / KBFI)
Photo © Marcel Siegenthaler

The Piper PA-31T Cheyenne is a turboprop development of the earlier PA-31P Pressurized Navajo.

Development

N444WC Piper PA-31T2-620 Cheyenne IIXL
Piper PA-31T2-620 Cheyenne IIXL
N444WC (sn 31T-8166054)
E.S. Wagner Company
Photo taken Oct. 31, 2010
Marco Island Airport - Marco Island, FL - USA (MKY / KMKY)
Photo © Marcel Siegenthaler

Originally, the aircraft was an upgraded version of the Pressurized Navajo equipped with two Pratt & Whitney Canada PT6A-28 turboprop engines. Later, the aircraft was further refined and developed, including aerodynamic improvements and fuselage extensions. The PA-31T led to the development of the PA-42 Cheyenne III and IV.

Variants

  • PA-31T Cheyenne
    Initial production version, powered by two 620-shp (462-kW) Pratt & Whitney Canada PT6A-28 turboprop engines.
  • PA-31T-1
    Original designation of the PT-31T Cheyenne II. Powered by 500-shp (373-kW) Pratt & Whitney Canada PT6A-II turboprop engines.
  • PT-31T Cheyenne II
    Improved version, renamed version of original powered by two 620-shp (462-kW) Pratt & Whitney Canada PT6A-28 turboprop engines.
  • PT-31T Cheyenne IIXL
    Stretched version, powered by two 750-shp (559-kW) Pratt & Whitney Canada PT6A-135 turboprop engines.

Specifications

General characteristics
Crew: 2
Capacity: 4-6 passengers
Length: 34 ft 8 in (10.57 m)
Wingspan: 42 ft 8¼ in (13.01 m)
Height: 12 ft 9 in (3.89 m)
Wing area: 229 sq ft (21.3 m²)
Empty weight: 4,870 lb (2,209 kg)
Max. takeoff weight: 9,000 lb (4,082 kg)
Powerplant: 2 × Pratt & Whitney PT-6-28 turboprop, 620 shp (462 kW) each

Performance
Maximum speed: 326 mph (525 km/h, 283 knots) at 11,000 ft (3,360 m)
Cruise speed: 244 mph (393 km/h, 212 knots) at 25,000 ft (7,600 m)
Stall speed: 88 mph (142 km/h, 77 knots) (flaps down)
Range: 1,702 mi (2,739 km, 1,478 nmi) (econ cruise, 45 min reserves)
Service ceiling: 29,000 ft (8,840 m)
Rate of climb: 2,800 ft/min (14.2 m/s)

Last updated June 06, 2012
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Piper PA-31T Cheyenne".
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