Beech King Air B90 (1968-1970) Serial Numbers LJ-318 through LJ-501

In 1966, after 112 65-90s were completed, production switched to the Model 65-A90 with PT6A-20 engines. As a measure of the type's popularity, 206 65-A90s were built in less than two years when production switched to the Model B90, the first of these rolling off the production line in 1968.

The King Air B90 came with a 350 lb gross weight increase, improved ailerons, increased wing span, recontoured rear fuselage, improved instrumentation with balanced controls, pressurization and had an extra side window. The B90 seats up to 9 passengers plus 1 pilot.

Performance specifications

  • Horsepower: 2 x 550 HP
  • Best Cruise Speed: 219 KIAS
  • Best Range (i): 1,185 NM
  • Fuel Burn: 71.0 GPH
  • Stall Speed: 74 KIAS
  • Rate of climb: 2,000 FPM
  • Rate of climb (1 engine out): 555 FPM
  • Ceiling: 27,200 FT
  • Ceiling (1 engine out): 14,100 FT
  • Takeoff distance: 1,750 FT
  • Landing distance: 980 FT
  • Takeoff distance over 50ft obstacle: 2,180 FT
  • Landing distance over 50ft obstacle: 2,010 FT


  • Gross Weight: 9,650 LBS
  • Empty Weight: 5,685 LBS
  • Maximum Payload: 1,800 LBS
  • Fuel capacity: 384 GAL


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