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Boeing-Vertol YUH-61

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Boeing-Vertol YUH-61A
Type Utility transport helicopter
Manufacturer Boeing-Vertol
Status Program terminated
Number built 3

The Boeing-Vertol YUH-61 (Model 179) a twin turbine-engined, medium-lift, military assault/utility helicopter was the runner-up of a United States Army competition in the mid 1970s to replace the UH-1 Huey family. Though the two final competing designs were both developed to Army specifications, Sikorsky's aircraft was selected.


Under a contract awarded in August 1972, Boeing-Vertol designed and delivered three prototypes to compete against the Sikorsky YUH-60A in the US Army's Utility Tactical Transport Aircraft System (UTTAS) program. [1] While Boeing-Vertol failed to win the competition, it pinned its hope on winning civil orders and the US Navy's LAMPS III programe. In the end, a variant of the Sikorsky design, the SH-60B, would also win, and what civil orders were received were cancelled.[1]

Specifications (YUH-61A)

Data from Modern Military Aircraft [1]

General characteristics

  • Crew: Minimum 2 pilots
  • Length: 60 ft 8.5 in (18.5 m)
  • Rotor diameter: 49 ft 0 in (14.94 m)
  • Height: 15 ft 6 in (4.72 m)
  • Disc area: ft² (m²)
  • Empty weight: 9,750 lb (4,422 kg)
  • Loaded weight: lb (kg)
  • Max takeoff weight: 17,700 lb (8,953 kg)
  • Powerplant:General Electric T700 turboshafts, 1,536 hp (kW) each



  1. 1.0 1.1 1.2 Gunston, Bill: The Illustrated Encyclopedia of the World's Modern Military Aircraft, page 205. Crescent Books, New York, NY USA, ca. 1978. ISBN 978-0-517-22477-9

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