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          Disposition of the CH-47B Helicopters

          In service to the United States Army

 

 

             As of December 2002, we had generally a good idea what became of most of the B model Chinooks. Many of the details surrounding the demise of most of the known lost aircraft has remained a mystery. There are no surviving U.S. Army B models.

 

 

          Airframe Losses

          [Excluding those lost in the Republic of Vietnam]

 

 

          --- Crashed at Fort Sill, Oklahoma ---

 

             One 27 September 1977, one airframe was lost due to mechanical failure when the sprag clutch in the number two engine transmission suddenly engaged while ground taxiing after a touchdown autorotation, destroying the aircraft:

 

         
67-18490

 

 

          --- Crashed in Columbia, South America ---

 

             On 19 August 1980, one airframe was lost in an accident when the aircrew attempted to cross a mountain pass with insufficient power available and in deteriorating weather conditions:

 

         
66-19110

 

 

          --- Foreign Sales ---

 

             One airframe was sold to the United Kingdom and was otherwise unaccounted for:

 

         
66-19103

 

 

          --- Airframes Lost Due To Accidents ---

 

             One airframe was lost in the Continental United States (CONUS) (Details Unknown):

 

         
66-19139

 

             On 4 October 1984, one airframe was lost in an accident in CONUS while attempting to land on a 25 degree upslope:

 

         
66-19117

 

 

 

          Airframe Losses In The Republic Of Vietnam

 

 

          --- Airframes Lost Due To Accidents ---

 

 

          Five airframes were lost due to accidents:

 

         
66-19106 66-19142 66-19143 67-18442 67-18461

 

 

             One airframe was lost due to an accident during a maintenance test flight:

 

         
67-18433

 

 

             One airframe was lost in an accident during the enroute crash of a C-133 transport aircraft, near Lowry Air Force Base, Colorado, while being airlifted to New Cumberland Army Depot (NCAD), Harrisburg, Pennsylvania:

 

         
67-18487

 

 

             One airframe was lost when the forward transmission seized during hot re-fueling:

 

         
66-19113

 

 

             One airframe was lost when the aft transmission seized in-flight:

 

         
67-18468

 

 

             One airframe was lost when it ran out of fuel:

 

         
67-18462

 

 

             One airframe was lost when an Upper Boost Actuator Pilot Valve broke in-flight:

 

         
67-18493

 

 

             One airframe was lost in a ground taxi accident:

 

         
67-18455

 

 

             One airframe was lost in a mid air collision with a UH-1:

 

         
67-18457

 

 

             One airframe was lost, when following an accident and having landed, was deliberately destroyed to prevent capture by the enemy:

 

         
67-18485

 

 

          --- Destroyed on the ground by the Enemy ---

 

 

             Three airframes were destroyed on the ground by the Viet Cong:

 

         
66-19118 66-19128 67-18481

 

 

             One airframe was destroyed on the ground by a rocket:

 

         
67-18480

 

 

          --- Shot Down In Combat ---

 

 

             One airframe was shot down by a mortar hit in the radio and flight control closet on approach:

 

         
66-19101

 

 

             Four airframes were shot down by small arms fire (under 50 Caliber):

 

         
66-19126 67-18445 67-18458 67-18470

 

 

             One airframe was shot down by small arms fire (under 50 Caliber) while on a combat re-supply mission in Laos:

 

         
67-18449

 

 

             Three airframes were shot down by large caliber fire (50 caliber or greater):

 

         
67-18435 67-18469 67-18475

 

 

 

          --- Converted To D Model ---

 

 

             One airframe was selected as a prototype for the B model conversion to D model:

 

         
67-18479

 

 

             The remaining 75 B model Chinook helicopters were converted to D models:

 

         
66-19098 66-19099 66-19100 66-19102 66-19104
66-19105 66-19107 66-19108 66-19109 66-19111
66-19112 66-19114 66-19115 66-19116 66-19119
66-19120 66-19121 66-19122 66-19123 66-19124
66-19125 66-19127 66-19129 66-19130 66-19131
66-19132 66-19133 66-19134 66-19135 66-19136
66-19137 66-19138 66-19140 66-19141 67-18432
67-18434 67-18436 67-18437 67-18438 67-18439
67-18440 67-18441 67-18443 67-18444 67-18446
67-18447 67-18448 67-18450 67-18451 67-18452
67-18453 67-18454 67-18456 67-18459 67-18460
67-18463 67-18464 67-18465 67-18466 67-18467
67-18471 67-18472 67-18473 67-18474 67-18476
67-18477 67-18478 67-18482 67-18483 67-18484
67-18486 67-18488 67-18489 67-18491 67-18492

 

 

          The CH-47 - 40 years old and still circling the world.

         

          Comments or Questions ? Email the Webmaster. Email the Webmaster.    

 

         
Last updated: 12/22/2016 11:10:43