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Boeing - Part II
May 27, 1970 : Boeing Vertol 347
A CH-47A modified for research with wings, four-blade rotors and
fly-by-wire controls.
Boeing c/n 164
US Army Serial number 65-7992
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1973 : Boeing Vertol
Number Unknown
The proposal for the US Army AAH
( Advanced Attack Helicopter ) competition.
Only a mock-up, not built.
Lost against Hughes AH-64 Apache
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1974 :
UTTAS program - Boeing Vertol 179 (YUH-61)
The proposal for the 1972 's US Army UTTAS
( Utility Tactical Transport Aircraft System ) program.
Lost against the Sikorsky UH-60 BlackHawk
US Army Serial numbers 73-21656 to 73-21660, but only first 3 units were delivered.
A 4th aircraft, called the "COP", stood as Company owned plane, was painted
white with two tone blue stripes.
73-21656 & 58 are currently on display at Army Aviation Museum,Ft. Rucker, AL.
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1975 :
Boeing Vertol HLH (XCH-62)
1981 : Boeing Vertol 234
The civilian variant of the Chinook
1985 : LHX Began
collaboration between Sikorsky and Boeing.
( later known as RAH-66 ) .
June 10, 1987 : Boeing Vertol [Boeing] 360
World s largest all-composite helicopter.
This Advanced Technology Demonstrator made an
extensive use of composite materials in the construction of the
fuselage, rotor hubs, upper controls and drive system components.
Designed and built as a private venture of Boeing is
powered with 2 Textron Lycoming AL5512 turboshaft engines
of 4,200 shp each and is similar in size to the model 107M ( CH-46 Sea Knight )
One unit built ( N360BV )
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December 2, 1987 :
Boeing starts developing the SOF ( Special Operations Forces ) Chinook
Name changed to
Boeing Helicopters
Continue - Part III
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