The Piper PA-31 Navajo
is a family of cabin-class,
twin-engine aircraft designed and built by Piper Aircraft
for the general aviation
market, using Lycoming
was also licence-built by Embraer
In the mid-1960s company founder William T. Piper
started development of the PA-31.
Targeted at small-scale cargo
operations and the corporate
market, the aircraft was a success. It continues to prove a popular
choice, but due to greatly decreased demand across the general
aviation sector in the 1980s, production of the PA-31 ceased.
Piper PA-31 Navajo
1982 Piper PA-31 Navajo
The PA-31 series was produced in the following versions.
- PA-31-310 Navajo, sometimes referred to as a
"straight Navajo". Also called the "Mini - Liner"
- PA-31-325 Navajo, referred to as the "CR" or
- PA-31-350 Navajo Chieftain (originally called
the "Navajo II") featured a stretched cabin and more powerful
engines (Lycoming TIO-540-J2BD)
- T-1020 was a Chieftain modified to be marketed
to the commuter airline market.
- PA-31P-425 Pressurized Navajo (commonly
referred to as "P-Navajo") was equipped with a pressurized cabin and Lycoming TIGO-541-E1A engines.
- Piper Mojave was an upgraded, reengineered
version of the PA-31P
Cheyenne, pressurized, turboprop
- T-1040, PA-31T3, was an airline version of the
Specifications (PA-31-310 Navajo)
Specifications (PA-31-350 Chieftain)
- The Piper PA-31 Chieftain/Mojave/T-1020/T-1040 from
- The Piper PA-31 Navajo/Pressurized Navajo from
- Piper Navajo Information Manual, Revision 9, March 18th 1994,
Piper Aircraft Corporation, Manual Part Number 761-723
- Piper Navajo Pilot's Operating Manual, Revision 34, April 22nd
2002, Piper Aircraft Corporation, Manual Part Number 761-456
- Taylor, John W.R. Jane's All The World's Aircraft
1976-77. London:Jane's Yearbooks, 1976, ISBN 0 354 00538