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|Category||:||Aircraft Scale Modelling|
|Subcategory||:||Aircraft Scale Modelling|
|Scale||:||1 : 72|
|Availability||:||Temporarily Out of Stock.|
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This product was added to our database on Thursday 9 july 2009.
Category Aircraft Scale Modelling, Subcategory Aircraft Scale Modelling, Scale 1 : 72, ISBN/Box AA-2086, Publisher/Brand Anigrand, Version resin
In 1965, the US Army launched the Utility Tactical Transport Aircraft System (UTTAS) program. The initial specification called for an aircraft able to carry a crew of three and eleven troops with the main goal of replacing the Bell UH-1 Huey. Requests for proposals were issued to the industries in 1972. All the designs proposed in response to the specification were required to use two G.E. turbo-shaft engines and wheeled landing gear. Bell , Boeing and Sikorsky submitted proposals. The Boeing model 237 and Sikorsky S-70 were selected to proceed to prototype construction as the YUH-61 and YUH-60. The Boeing YUH-61 made its maiden flight in 1974. It was Boeing's first design with a single main rotor. All the three YHU-61A prototypes were delivered to the Army in 1976. A UTTAS competitive evaluation was conducted over the next eight months, with finally the Sikorsky S-70 was declared the winner, as Sikorsky's design was less complex than Boeing's. The S-70 became the HH-60 BlackHawk.