The Probert Encyclopaedia of Aircraft

PIPER PA-31

The Piper PA-31 is a series of American short/medium-range utility light transport aircraft with liaison capabilities that entered service in 1967. The
Piper PA-31-300 Navajo is powered by two Textron Lycoming IO-540-M flat-six piston engines providing a top speed of 365 kmh and a range of 2494 km. The
Piper PA-31 carries a pilot and up to seven passengers or freight in the cabin. A turbo model, the Turbo Navajo, is identical but powered by Lycoming TIO-540-A engines with turbo superchargers providing a top speed of 418 kmh and a range of 2495 km.
Research Piper PA-31