Piper PA-31T Cheyenne


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

Development

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.

Operators

Military operators

;
;PA-31T Cheyenne: Initial production version, powered by two 620-shp Pratt & Whitney Canada PT6A-28 turboprop engines.
;PA-31T-1: Original designation of the PT-31T Cheyenne I. Powered by 500-shp Pratt & Whitney Canada PT6A-II turboprop engines.
;PA-31T Cheyenne II: Improved version, renamed version of original powered by two 620-shp Pratt & Whitney Canada PT6A-28 turboprop engines.
;PA-31T2 Cheyenne IIXL: Stretched version, powered by two 750-shp Pratt & Whitney Canada PT6A-135 turboprop engines.

Specifications