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Dates |
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Event |
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Constructed as a CH-47A. |
Circa 1967 |
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Taken on Strength/Charge with the United States Army with s/n 65-7992. |
By January 1969 |
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Transferred to Boeing Vertol, PA.
Aircraft was bailed to Boeing for modifications for the Heavy Lift Helicopter project. |
From January 1969 to May 1970 |
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Converted to a 347.
Converted as part of the Heavy Lift Helicopter (HLH) project for testing concepts and components for use in future heavy lift helicopters. Initial modifications included a 110 inch fuselage plug, aft pylon raised 30 inches for better rotor clearance, longer 4-bladed rotors, retractable landing gear, and uprated engines for higher maximum speeds. The aircraft had been updated to the CH-47C configuration by incorporation of all significant engineering changes applicable to the current production CH-47C. |
27 May 1970 |
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First flight.
First flight as BV-347 conversion, at the Vertol Divisions Center 3 Flight Test Facility at Eddystone, Pennsylvania. |
From 28 May 1971 to 19 June 1971 |
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Phase I testing conducted by U.S. Army Aviation Systems Test Activity at the Boeing facility. The basic airframe, rotor, and control system changes were incorporated, and testing was performed. |
From 10 August 1971 to 11 August 1971 |
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Reevaluation of Phase I testing. |
From Circa September 1971 to 31 March 1972 |
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Additional modifications of mounting a hydraulicAavariable incidence wing on top center of the fuselage and advanced fly-by-wire control system to integrate the wing and rotors automatically. |
From 3 April 1972 to 11 April 1974 |
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Phase II testing conducted by U.S. Army Aviation Systems Test Activity at the Boeing facility. |
1972 |
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Later in the program for the Model 301 HLH, the wings were removed and it was fitted with a retractable capsule behind the cockpit to evaluate the load-controlling crewmans station and functions for the rearward-facing load-controller. |
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At some point the wing was reattached, possibly just for preservation purposes. |
Circa 1972 |
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To United States Army Aviation Museum, Fort Rucker, Enterprise, AL.
 View the Location Dossier |
29 June 1990 |
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Photographer: Robert Nichols |
14 September 2003 |
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Photographer: Glenn Chatfield |
14 September 2003 |
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Photographer: Glenn Chatfield |
January 2014 |
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Photographer: Gustavo Bonilla |
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 | | This airframe dossier is based on
unreviewed imported data.
If you can verify the documented history or add to it with additional text and/or photos please feel free to do so by using the upload tool and the history editor. |
