Beech King Air B90

The Beech King Air B90 is a pressurized, twin-engine turboprop business aircraft configured as a cantilever low-wing aircraft with a conventional tail. It has retractable landing gear and constant speed propellors. The B90 King Air was produced by Beechcraft between 1968 and 1970, serial numbers LJ318 through LJ501

The King Air B90 is found in a variety of passenger configurations seating up to 9 passengers and 1 pilot. 




Exterior Dimensions

Wing span: 50 ft 3 in
Length: 35 ft 6 in
Height: 14 ft 3 in

Interior Dimensions

Cabin Height: 4 ft 9 In
Cabin Width: 4 ft 6 In
Cabin Length: 12 ft 4 In
Cabin Volume: 227 cu ft
Internal Baggage: 48.3 cu ft


Max TO weight: 9,650 lb
Basic Operating Weight:  5,685 lbs
Maximum Payload: 1,800
Useable Fuel volume: 384 gal / 2,573 lbs


Manufacturer: Pratt & Whitney
Model: PT6A-20
Horsepower: 550 hp
Overhaul (HT): 3600hr TBO

Standard Avionics

Dual Avionics
Autopilot and Radar


Performance specifications on Beech B90

Horsepower: 550.00 Gross Weight: 9,650
Top Speed: 223 Empty Weight: 5,685
Cruise Speed: 219 Fuel Capacity: 384
Stall Speed (dirty): 74 Range: 1,185
Rate of Climb: 2,000 Rate of Climb (One Engine): 555
Service Ceiling: 27,200 Ceiling (One Engine): 14,100
Takeoff Landing
Ground Roll: 1,750 Ground Roll 980
Takeoff Roll Over 50 ft: 2,180 Landing Roll Over 50 ft: 2,010




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.

A total of 184 B90 models were produced before the Model C90 was introduced in 1971, with wingspan increased over earlier models by 4 ft 11 in (1.50 m) to 50 ft 3 in (15.32 m), Maximum Take-Off Weight (MTOW) increased by 350 lb (160 kg) to 9,650 lb (4,378 kg), and PT6A-20A engines.



Search for Beech King Air B90 for sale now!

This article uses material from this Wikipedia article, which is released under the Creative Commons Attribution-Share-Alike License 3.0.
Get FREE Aircraft Market Alerts

Get FREE Aircraft Market Alerts

Join our mailing list to receive the latest Exclusive Aircraft Market Alerts from our team.

IMPORTANT: You must check your email and confirm after you subscribe to receive alerts from our system!

I want to receive...

Success! Now, please check your email to confirm!