Boeing Model 40

Passenger-, Mail Biplane

Boeing 40B-2, United Airlines, NC288, c/n 899, Chicago Science Museum © Karsten Palt
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.
Crew1
Passengers2
Propulsion1 Radial Engine
Engine ModelPratt & Whitney R-1340-1 Wasp
Engine Power306 kW410 hp
max. Cruise Speed169 km/h91 kts
  105 mph
max. Speed (vne)206 km/h111 kts
  128 mph
Service Ceiling4.420 m14.500 ft
Range1.046 km565 NM
650 mi.
Empty Weight1.601 kg3.530 lbs
max. Takeoff Weight2.722 kg6.000 lbs
Wing Span13,47 m44 ft 2 in
Wing Area50,8 m547 ft
Length10,12 m33 ft 2 in
Height3,73 m12 ft 3 in
First Flight07.07.1925
Production Statusout of production
Production Range1925-1932
Total Production77
FAA TCDSATC 2
Data for (Version)Boeing Model 40A
VariantsBoeing 40A, 40B-4

[Photo-ID: 12399] Karsten Palt 2016-04-12
Boeing 40B, , , c/n , Karsten Palt, 2016Boeing
40B
 
Replica
Museum of Flight [Seattle, WA]
[Photo-ID: 12400] Karsten Palt 2016-04-12
Boeing 40B, , , c/n , Karsten Palt, 2016Boeing
40B
 
Replica
Museum of Flight [Seattle, WA]
[Photo-ID: 6377] Karsten Palt 2012-11-09
Boeing 40B-2, United Airlines, NC288, c/n 899, Karsten Palt, 2012Boeing
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, NC288, c/n 899, Karsten Palt, 2012Boeing
40B-2
United Airlines
Reg.: NC288
c/n: 899
 
one of 3 surviving Boeing 40
Museum of Science and Industry [Chicago, IL]