Northrop Alpha
Mail and Passenger Aircraft
Photo ©: Karsten Palt
The Northrop Alpha is a single-engine seven-seat mail and passenger aircraft produced by the American manufacturer Northrop Aircraft Corporation.
The Alpha was Northrop?s first series production aircraft. The Alpha 2 is a six passenger version, the Alpha 3 has two or three passenger seats, the Alpha 4 is an all cargo version. The Alpha in military service was designated YC-19 / Y1C-19.
| Crew | 1 | |
| Passengers | 6 | |
| Propulsion | 1 Radial Engine | |
| Engine Model | Pratt & Whitney R-1340-C1 Wasp | |
| Engine Power | 313 kW | 420 hp |
| max. Cruise Speed | 233 km/h | 126 kts 145 mph |
| Speed | 274 km/h | 148 kts 170 mph |
| Service Ceiling | 5.883 m | 19.300 ft |
| Rate of climb | 427 m/min | 1400 ft/min |
| Empty Weight | 2.590 kg | 5.710 lbs |
| max. Takeoff Weight | 4.500 kg | 9.921 lbs |
| Wing Span | 12,75 m | 41 ft 10 in |
| Wing Area | 27,4 m² | 295 ft² |
| Length | 8,65 m | 28 ft 5 in |
| Height | 2,74 m | 8 ft 12 in |
| First Flight | 1930 | |
| Production Status | out of production | |
| Production Range | 1930-1931 | |
| Total Production | 17 | |
| Data for (Version) | Northrop Alpha 2 | |
| [Photo-ID: 10174] © Karsten Palt 2014-05-28 | |
 | Northrop 4A Alpha TWA - Transcontinental and Western Air Reg.: NC11Y c/n: 3 last existing Northrop Alpha |
| National Air and Space Museum [Washington, DC] | |