Span 52 ft 0 in Length (overall) 31 ft 11 in Wing Area (incl Ailerons) 350 sq ft Wing Section Sikorsky G.S.1
Gross Weight 4,000 lb Useful Load 1,145 lb Seats 4 to 5
High Speed 115 mph Cruise Speed 97 mph Landing Speed 54 mph
Range 375 sm
Powerplant P&W Wasp Jr-A R-985 (300 hp)
Type Data ATC 340 Year of Introduction 1929 Number Produced (incl Prototype) 11 Price (1929) $17,500
Gross Weight 4,000 lb Empty Weight 2,678 lb Useful Load 1,322 lb Baggage 137 lb Seats 5
High Speed 119 mph Cruise Speed 100 mph Landing Speed 54 mph
Range 400 sm Rate of Climb (SL) 750 fpm Service Ceiling 18,000 ft
Powerplant P&W Wasp Jr-A R-985 (300 hp) Fuel 65 gal Optional Additional Fuel 25 gal Fuel (s/n 902) 105 gal Oil 6 gal
Type Data ATC 375 Year of Introduction 1930 Number Produced (incl S-39A conversions) 12 Price (1930) $20,000
Gross Weight (s/n 911) 4,014 lb Gross Weight (s/n 918) 4,000 lb Baggage (s/n 911) 157 lb Baggage (s/n 918) 187 lb Seats 4
Powerplant P&W Wasp Jr S1-A (400 hp) Fuel (s/n 911) 95 gal Fuel (s/n 918) 90 gal Oil 7-1/2 gal
Type Data Memo 2-391 Year of Introduction 1931 Number Produced (both S-39-B conversions) 2
Gross Weight 4,000 lb Seats 4
Powerplant P&W Wasp Jr (375 hp)
Type Data Memo 2-436 Year of Introduction 1932 Number Produced (S-39-B conversion) 1