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From Wikipedia, the free encyclopedia

Role Patrol aircraft
National origin United States
Manufacturer Boeing
Primary user United States Navy
Number built 0

The Boeing XP3B-1 (company designation Model 466) was a proposed patrol aircraft, developed by Boeing for use by the United States Navy in the late 1940s.[1] It was planned to be powered by two Allison T40 turboprops driving contra-rotating propellers, and utilized tandem landing gear. The project was cancelled before any aircraft were built.[2]


Data from Bowers[1]

General characteristics

  • Length: 108 ft 11 in (33.20 m)
  • Wingspan: 125 ft (38 m)
  • Height: 32 ft 10 in (10.01 m)
  • Wing area: 1,400 sq ft (130 m2)
  • Empty weight: 66,000 lb (29,937 kg)
  • Gross weight: 127,000 lb (57,606 kg)
  • Powerplant: 2 × Allison T40-A-2 turboprops, 5,200 shp (3,900 kW) each
  • Propellers: 6-bladed, 17 ft (5.2 m) diameter


  • Maximum speed: 395 kn (454 mph, 731 km/h)
  • Range: 4,497 nmi (5,175 mi, 8,328 km)



  1. ^ a b Bowers 1989, p.568.
  2. ^ Andrade 1979, p.206.


  • Andrade, John. U.S. Military Aircraft Designations and Serials since 1909. Hinckley, UK: Midland Counties Publications, 1979. ISBN 0-904597-22-9.
  • Bowers, Peter M. Boeing Aircraft since 1916. London: Putnam, Third edition, 1989. ISBN 0-85177-804-6.
This page was last edited on 23 March 2020, at 14:07
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