With the data currently available:

Total CH-47 hours: 2,346,121.4

Total CH-47A hours:  750,658.6

Total CH-47B hours:  354,670.0

Total CH-47C hours:  660,381.9

Total CH-47D hours:  580,410.9

CONUS = Continental United States.

DD250 Date is the date the Army accepted and signed for the aircraft.

NCAD = New Cumberland Army Depot, Harrisburg, Pennsylvania.

RVN = Republic of Vietnam.

VNAF = Vietnamese Air Force.

CCAD = Corpus Christi Army Depot, Texas. For aircraft at * indicates data current as of 24 November 1999.

USAREUR = United States Army Europe

VC= Vietcong

Super C Model = Originally, mid 1970, L11 engines, tail numbers 68-15990 through 68-16022.

For the D Models, the Production Number, by tradition, usually appears in the center cabin window, and is not to be confused with the aircraft serial (tail) number.

The Production Number is the last three digits of the D Model Kit number.

Unless otherwise indicated by an asterisk (*), data is current as of 22 June 1998.

18th Aviation Brigade (Fort Bragg):

   * C Company, 159th Aviation Regiment 'Flippers' = Current location Fort Bragg, North Carolina, data from historical records, current as of 22 July 1999.

        Formerly A Company, 2nd Battalion, 159th Aviation Regiment.

        Formerly, C Company, 2nd Battalion, 159th Aviation Regiment.

        Formerly, 196th Aviation Company.

   * B Company, 159th Aviation Regiment 'Hercules' = Current location Hunter Army Airfield, Savannah, Georgia, data from Historical Records, current as of 21 July 1999.

17th Aviation Brigade (Seoul, South Korea):

   2nd Battalion, 52nd Aviation Regiment (Camp Humphreys):

     * A Company, 2-52 Aviation Regiment = Current location, Camp Humphreys South Korea, data from Historical Records, current as of 22 Jun 99.

          Formerly A Company, 2nd Battalion, 501st Aviation Regiment.

     * B Company, 2-52 Aviation Regiment = Current location, Camp Humphreys South Korea, data from Historical Records, current as of 22 Jun 99.

          Formerly B Company, 2nd Battalion, 501st Aviation Regiment.

Fort Campbell, Kentucky:

   * A Company, 7th Battalion, 101st Aviation Regiment = Current location, Fort Campbell, Kentucky, data from Historical Records, current as of 13 August 1999.

Connecticut National Guard:

   * G Company, 104th Aviation, Detachment 1 = Current location, Windsor Locks, Connecticut, data from Historical Records, current as of 1 August 1999.

45th Corp Support Group (USARPAC):

   524th Combat Support Battalion:

     * B Company, 214th Aviation Regiment = Current location, Wheeler Army Airfield, Oahu, Hawaii, data from Historical Records, current as of 14 August 1999.

*** = Unclarified data requiring further research.

CONTRACTS:

DAAK50-80-C-0029, 9 aircraft buy, first D models: 81-23381 through 81-23389.

DAAK50-82-C-0001, 19 aircraft buy, D models 82-23762 through 82-23780.

DAAK50-83-C-0003, 24 aircraft buy, D models 83-24102 through 83-24125.

DAAK50-84-C-0004, 36 aircraft buy, D models 84-24152 through 84-24187.

DAAJ09-85-C-A005, Multi-year contract, first aircraft was 85-24322.