from Aero Digest, April, 1935:
The Beech Aircraft Corporation, Wichita, Kansas
• Four-place biplane. ATC 548. Wright Cyclone R1820-F11 engine, 710 horsepower.
Span 34 feet 6 inches. Length overall 24 feet 2 inches. Height overall 8 feet 9.5 inches. Wing area 322 square feet. Chord 60 inches.
Power loading 7.5 pounds per horsepower. Wing loading 16.1 pounds per square foot.
Empty weight 3285 pounds. Useful load 1915 pounds. Variable payload. Gross weight 5200 pounds.
Fuel capacity 155 gallons. Oil capacity 10 gallons.
Maximum speed 225 miles per hour. Cruising speed 210 miles per hour. Landing speed 60 miles per hour. Service ceiling 25,000 feet. Rate of climb 2500 feet per minute. Cruising range 750 miles.
Fuselage: framework of steel tubing, welded and covered with fabric and alumiÂnum. Wings are of the inverse stagger type with spars of steel tubing, ribs of spruce; flaps built into underside of upper wing; upper wing attached direct to top of fuselage with one I-type heat-treated steel interplane strut on either side of the fuselage; bracing terminals in wings and accesÂsible through inspection covers. Tail group: welded steel tube framework, fabric covered; adjustable stabilizer. Semi-retractable landÂing gear with Goodrich 9.50 X 12 semi-balÂloon tires, Autofan wheels and brakes, pants, and hydraulic shock absorbers. Cable conÂtrols are used throughout, with movable parts equipped with and operating over ball bearings.
Standard equipment includes Hamilton Standard controllable-pitch propeller, radio receiver, Pyle National navigation and landÂing lights which are built directly into the lower wings, electric flares, electric starter, cabin heaters and ventilator, Exide storage battery.
Instruments: compass, geperator, air speed indicator, cylinder head, and oil temperature gauges, manifold pressure gauge, oil gauge and fuel pressure gauge, tachometer, bank and turn indicator, rate of climb indicator, fuel gauge, Sperry directional gyro, altiÂmeter, ammeter.