Piper PA-31 Navajo/Pressurized Navajo

  • CountryUnited States of America
  • TypeSix/eight seat corporate transport and commuter airliner
  • PowerplantsPA-31-310 - Two 230kW (310hp) Lycoming TIO-540-A turbocharged and fuel injected flat six piston engines driving three blade constant speed propellers. PA-31P-425 - Two 317kW (425hp) Lycoming TIGO-541-E1A geared, turbocharged and fuel injected engines.
  • PerformancePA-31-310 - Max speed 420km/h (227kt), max cruising speed 404km/h (218kt), long range cruising speed 273km/h (147kt). Initial rate of climb 1445ft/min. Service ceiling 27,300ft. Range with reserves 2398km (1295nm). PA-31P-425 - Max speed 451km/h (244kt), max cruising speed 428km/h (231kt), long range cruising speed 306km/h (165kt). Initial rate of climb 1740ft/min. Operational ceiling 29,000ft. Range with reserves 2150km (1160nm).
  • WeightsPA-31-310 - Empty equipped 1843kg (4062lb), max takeoff 2950kg (6500lb). PA-31P-425 - Empty equipped 2380kg (5250lb), max takeoff 3540kg (7800lb).
  • DimentionsPA-31-310 - Wing span 12.40m (40ft 8in), length 9.94m (32ft 8in), height 3.97m (13ft 0in). Wing area 21.3m2 (229sq ft). PA-31P-425 - Same except for length 10.52m (34ft 6in), height 4.04m (13ft 3in).
  • CapacityConfigured to seat six (including pilot) in standard and executive layouts, and eight in commuter layout.
  • ProductionTotal PA-31 Navajo production of 2044, including 14 PA-31-300, 1771 PA-31-310/325, and 259 PA-31P-425 Pressurized Navajo.

The exceedingly effective Navajo six/eight seat lodge class twin has been adjusted to various suburbanite, sanction, air taxi, light cargo and official transport parts, and has generated an arrangement of advancements.

The PA-31 was produced at the appeal of organization originator William T Piper, and the system for another bigger twin was given the task name Inca. The primary model PA-31 made the sort's first flight on September 30 1964 and was Piper's biggest flying machine to be manufactured to that time.

Conveyances started in the first a large portion of 1967. The main model was the PA-31-310, fueled by two 230kw (310hp) turbocharged Lycoming TIO-540-A1a motors. A little number of the PA-31-300 with two regularly suctioned 225kw (300hp) IO-540-M motors were additionally inherent 1968 and 1969. The PA-31-310 had five lodge windows for every side and Piper's unique Tiger Shark motor nacelles with discretionary nacelle lockers. The PA-31-310 was further enhanced in late 1971 in the Navajo B and in 1974 in the Navajo C and the PA-31-325 Navajo C/R with counter pivoting 242kw (325hp) TIO-540-F motors.

The PA-31p-425 Pressurized Navajo was gone for the corporate market and had three windows on the right side and two on the left half of the lodge, adapted turbocharged and fuel infused TIGO-541-E1a motors, a higher takeoff weight and reinforced structure and undercarriage, discretionary additional fuel, a protracted nose, and above all a lodge pressurization framework. To start with flown in March 1968, first conveyances occurred from 1970, and it stayed in generation until 1984.

Then generation of the PA-31-310 had stopped in 1983. Further advancements of the Navajo, including the Chieftain, Mojave and Cheyenne, are depicted independently.

Pictures of Piper PA-31 Navajo/Pressurized Navajo