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Beechcraft Super King Air 200


Years ago the airlines and other turbine-aircraft operators were paying as little as 11 cents for a gallon of kerosene. But, in an unexpected flash of history, bargain-basement fuel prices vanished forever.

Fuel consumption had been a relatively unimportant factor when considering the purchase of a new vehicle, but OPEC changed all that. As a result, large cars are yielding to small ones, and pure-jet aircraft find themselves competing against the slower, but less “fuelish” turboprops.

This partially explains why many aircraft purchasers are willing to pay for a Beech Super King Air 200 when some of the less expensive business jets sell for very little more. For it is after the purchase is made that the economic curves often bend in favor of the turboprop, especially when stage lengths aren’t particularly long.

Beech’s T-tailed entry, for example, carries nine people on a 500-nm flight while burning only 156 gallons of kerosene in the process. This results in a fuel consumption of 33 passenger-miles per gallon. Small business jets, on the other hand, do not approach this level of fuel economy.

The pure jet aircraft is, of course, significantly faster, but on a 500-nm flight, the difference in flight time is on the order of 20-30 minutes. The prospective buyer must determine how much extra fuel he is willing to burn to save half an hour en route.

There are other turboprop advantages. These aircraft are not banned from certain noise-sensitive airports, and a turboprop can be flown by a single pilot; jets must be operated by a crew of two. And because the Beechcraft Super King Air tips the scales at only 12,500 pounds, the lone pilot is not required to seek a type rating from the FAA.

Other features of the relatively new aircraft are comfort, an extremely quiet cabin, extraordinary stability, excellent control response and beauty. There’s no denying that the T-tail gives the Super King Air a long, lean, aesthetically pleasing profile.

But the lofty horizontal stabilizer (it’s 15 feet above the ground) serves more than cosmetic purposes. Since it is well above the downwash of the wing, flap deployment and retraction results in the need for very little trim correction.

Without going into a lot of colorful adjectives, the Super King Air’s flight characteristics are easily summed up as being simply marvelous; it’s an easy airplane to maneuver. The only flight characteristic likely to catch the uninitiated off guard is the airplane’s extraordinarily efficient elevators. These create a tendency to overcontrol slightly in pitch during the landing flare when only a small amount of elevator back pressure is needed. After a few touch-and-go’s, however, the adjustment to this becomes automatic.
The Super King Air is a “go anywhere, go anytime” airplane and is certificated for flight into known icing conditions. The engine inlet ducts are heated with exhaust gas; an engine oil heat exchanger automatically heats fuel to prevent ice crystals from collecting in the fuel controller; pneumatic fuel-control lines are wrapped in electrically heated blankets; and the fuel tank vents, which are situated in such a way as to preclude the possibility of icing, are provided with electrical heating in case the impossible becomes possible.

Inertial separators (a pair of movable deflectors located in the intake ducts) prevent the engine inlet screens from choking with ice. These separators can also be used during operations on unimproved runways and taxiways to prevent the engine from ingesting foreign objects.

The windshields are electrically heated; the leading edges of the wings and horizontal stabilizers are protected with electro-pneumatic boots, and both pitot masts and propellers are electrically heated. To prevent damaging the heating elements on the propellers, a timing device alternately routes electrical current to each propeller for only 30 seconds at a time, which is sufficient to protect the blades during the worst conditions.

The aircraft is also well suited to the varying demands of air traffic control. Because of relatively high landing-gear and flap speeds (209 and 230 mph, respectively), this sleek machine can slow down in a hurry and fly the pattern with slower, single-engine aircraft.

When the original Model 90 King Air was introduced, it was difficult to imagine how the basic design could be substantially improved. But it has been. The Super King Air is a super airplane and an outstanding example of a family of superior aircraft.

Pilot Flight Check: Beechcraft Super King Air
Barry Schiff, AOPA Pilot, May 1976

Performance Summary

The airplane is an all-metal, low-wing, twin-engine, pressurized turboprop airplane with retractable landing gear and is authorized to be operated with up to nine passenger seats.
This airplane is certified in the normal category. In the normal category all aerobatic maneuvers including spins are prohibited. The airplane is approved for day and night VFR/IFR operations when equipped in accordance with F.A.R. 91 or F.A.R 135.

The Super King Air 200 is powered by two Pratt and Whitney PT6A-41 turbopropeller engines, each rated at 850 shp. They are three-stage, axial-flow engines, with a single stage centrifugal-flow compressor and single-stage reaction turbine. A pneumatic fuel control system schedules fuel flow to maintain the power set by the gas generator power lever. Propeller speed within the governing range remains constant at any selected propeller control lever position through the action of a propeller governor, except in the beta range where the maximum propeller speed is controlled by the pneumatic section of the propeller governor.

The fuel system consists of two separate systems connected by a valve-controlled crossfeed line. The separate fuel system for each engine is further divided into a main and auxiliary fuel system. The main system consists of a nacelle tank, two wing leading edge tanks, two box section bladder tanks, and an integral (wet cell) tank, all interconnected to flow into the nacelle tank by gravity. The auxiliary fuel system consists of a center section tank with its own filler opening, and an automatic fuel transfer system to transfer the fuel into the main fuel system. The engine driven fuel pump is mounted on the accessory case in conjunction with the fuel control unit. Failure of this pump results in an immediate flameout. The primary boost pump is also engine driven and is mounted on a drive pad on the aft accessory section of the engine. This pump operates when the gas generator is turning and provides sufficient fuel for start, take-off, all flight conditions except operation with hot aviation gasoline above 20,000 feet altitude, and operation with crossfeed. An electrically driven standby boost pump located in the bottom of each nacelle tank performs three functions; it is a backup pump for use in the event of a primary fuel boost pump failure, it is for use with hot aviation gasoline above 20,000 feet, and it is used during crossfeed operations. In the event of an inoperative standby pump, crossfeed can only be accomplished from the side of the operative pump.

The airplane electrical system is a 28-VDC system with the negative lead of each power source grounded to the main airplane structure. DC electrical power is provided by one 34-ampere-hour, air-cooled, 20-cell, nickel-cadmium battery, and two 250-ampere starter/generators connected in parallel.


  1974 Beechcraft
Super King Air 200
1982 Beechcraft
Super King Air B200
Model 2 P&W PT6A-41 2 P&W PT6A-42
No. Cylinders N/A N/A
Displacement N/A N/A
HP 850-shp each engine 850-shp each engine
Carbureted Or Fuel Injected N/A N/A
Fixed Pitch/ Constant Speed Propeller Constant Speed Constant Speed
Fuel Capacity 549 gallons 549 gallons
Recommended Engine Fuels JP-4; JP-5; JP-8; Jet A; Jet A-1; Jet B JP-4; JP-5; JP-8; Jet A; Jet A-1; Jet B
Fuel Burn-Maximum Cruise Power at ISA S.L.- 1016 lbs./hr
12,000 ft- 890 lbs./hr
24,000 ft- 620 lbs./hr
33,000 ft- 436 lbs./hr
Weights and Capacities:    
Takeoff/Landing Weight Normal Category 12,500 lbs. 12,500 lbs.
Takeoff/Landing Weight Utility Category N/A N/A
Standard Empty Weight Unknown 7,538 lbs.
Max. Useful Load Normal Category Unknown 4,962 lbs.
Max. Useful Load Utility Category N/A N/A
Baggage Capacity 370 lbs. with fold up seats
410 lbs. without fold up seats
410 lbs.
Oil Capacity 2.5 gallons each engine 2.5 gallons each engine
Max Operating Speed 270 KCAS up to 8,500 ft.
260 KCAS up to 15,000 ft.
270 KCAS up to 8,500 ft.
260 KCAS up to 15,000 ft.
Max. Structural Cruising Speed N/A N/A
Stall Speed Clean 99 Knots 99 Knots
Stall Speed Landing Configuration 75 Knots 75 Knots
Climb Best Rate 2450 FPM at 12,500 lbs.
2850 FPM at 11,000 lbs.
2450 FPM at 12,500 lbs.
2868 FPM at 11,000 lbs.
Wing Loading 41.3 lbs./sq. ft. 41.3 lbs./sq. ft.
Power Loading 7.4 lbs./hp 7.4 lbs./hp
Service Ceiling Unknown +35,000 ft. at 12,500 lbs.
+35,000 ft. at 11,000 lbs.