from April, 1935 Aero Digest:
• Eighteen-place sesquiplane. Two Wright Cyclone geared engines, 710 horsepower each. Available as land plane, amphibian, seaplane.
(Specifications given for landplane; data on amphibion and seaplane in brackets in that order.)
Span 76 feet. Length overall 44 feet. Height overall 14 feet. Wing area 770 square feet.
Power loading 10 pounds per horsepower. Wing loading 18 pounds per square foot.
Empty weight 8402 (10,700, 10,300) pounds. Useful load 6020 (6120, 6210) pounds. Payload 3700 (3890, 3890) pounds. Gross weight 14,422 (16,910, 16,510) pounds.
Fuel capacity 300 gallons. Oil capacity 24 gallons.
Maximum speed 190 (180, 180) miles per hour. Cruising speed 170 miles per hour. Landing speed 58 miles per hour. Service ceiling 27,000 (27,000, 22,000) feet. Rate of climb 1500 (1500, 1200) feet per minute. Cruising range 750 (750, 700) miles.
Fuselage: fabric covered; chrome molybdenum steel tubing, welded. Wing: fabric covered; all-metal construction. Tail group: metal structure, fabric covered; twin fins and rudders, the latter being equipped with trim tabs. Partially retractable landing gear on landplane; wheels partly retract into wheel fairing; equipped with 40 X 18 Goodyear tires, Goodyear wheels and brakes, oleo shock absorbers. Rudder equipped floats for seaplane and amphibion are all-metal; the floats are mounted below the junction of auxiliary wing and lower stub wing; j unctions between floats and stub wing faired with aluminum alloy cuff.
Standard equipment includes Hamilton Standard metal controllable-pitch propellers, Exide battery, radio wiring, shielding and bonding, Wiley flares, fixed landing lights.
Instruments: tachometer, oil pressure gauge, altimeter, magnetic compass, air speed indicator, rate of climb indicator, bank and turn indicator, fuel gauge, gear position indicator, Sperry gyro-horizon, Sperry directional gyro. Also see data in October, 1934, AERO DIGEST.