Boeing Model 40
Passenger-, Mail Biplane
Photo ©: Karsten Palt
The Boeing Model 40 is a single-engine three-seat passenger and mail biplane aircraft produced by the US-American manufacturer Boeing Airplane Company.
The Boeing Model 40A was the first Boeing aircraft to carry passengers. Main production variant was the Pratt & Whitney Hornet (525 hp) powered Boeing 40B-4.
| Crew | 1 | |
| Passengers | 2 | |
| Propulsion | 1 Radial Engine | |
| Engine Model | Pratt & Whitney R-1340-1 Wasp | |
| Engine Power | 306 kW | 410 hp |
| max. Cruise Speed | 169 km/h | 91 kts 105 mph |
| max. Speed (vne) | 206 km/h | 111 kts 128 mph |
| Service Ceiling | 4.420 m | 14.500 ft |
| Range | 1.046 km | 565 NM 650 mi. |
| Empty Weight | 1.601 kg | 3.530 lbs |
| max. Takeoff Weight | 2.722 kg | 6.000 lbs |
| Wing Span | 13,47 m | 44 ft 2 in |
| Wing Area | 50,8 m² | 547 ft² |
| Length | 10,12 m | 33 ft 2 in |
| Height | 3,73 m | 12 ft 3 in |
| First Flight | 07.07.1925 | |
| Production Status | out of production | |
| Production Range | 1925-1932 | |
| Total Production | 77 | |
| FAA TCDS | ATC 2 | |
| Data for (Version) | Boeing Model 40A | |
| Variants | Boeing 40A, 40B-4 | |
| [Photo-ID: 12399] © Karsten Palt 2016-04-12 | |
 | Boeing 40B Replica |
| Museum of Flight [Seattle, WA] | |
| [Photo-ID: 12400] © Karsten Palt 2016-04-12 | |
 | Boeing 40B Replica |
| Museum of Flight [Seattle, WA] | |
| [Photo-ID: 6377] © Karsten Palt 2012-11-09 | |
 | Boeing 40B-2 United Airlines Reg.: NC288 c/n: 899 one of 3 surviving Boeing 40 |
| Museum of Science and Industry [Chicago, IL] | |
| [Photo-ID: 6378] © Karsten Palt 2012-11-09 | |
 | Boeing 40B-2 United Airlines Reg.: NC288 c/n: 899 one of 3 surviving Boeing 40 |
| Museum of Science and Industry [Chicago, IL] | |