1938 Lockheed Electra 12A <<Back Specifications Wingspan 49.5 ft. Wing area 352 sq. ft. Overall Length 36.3 ft. Overall Height 9.9 ft. Landing Gear Type Conventional, retractable Seats 8 Engine Two Pratt & Whitney Wasp Juniors R-985-SB single-row radial engines, 450 hp at 2300 rpm for takeoff. Propeller Hamilton Standard two-blade, controllable-pitch, diameter 9 feet, or fully feathering hydromatic, diameter 9 feet. Manufacturer Lockheed Aircraft Corporation Weights & Loadings Gross weight 9200 lb. Empty Weight 6380 lb Useful load 2820 lb. Wing loading 26.14 lb./sq. ft. Power Loading 20.44 lb./hp Fuel capacity 250 gal. Performance Maximum speed, sea level 214 mph Cruise speed, 5,000 ft. 202 mph Range, 75% power 850 s.m. plus reserve Rate of Climb, sea level 1360 fpm Service Ceiling 24,000 ft. Stall speed, clean 78 mph Stall speed, flaps and gear 65 mph Approach speed (1.3 x stall) 84 mph Takeoff ground roll 770 ft. Takeoff over 50-ft. obstacle 1600 ft. Landing over 50 ft. obstacle 1200 ft.