Results 1 to 5 of 5

Thread: "DH" on Raf service number index cards?

  1. #1
    Join Date
    Jun 2020
    Location
    Extreme South Midlands
    Posts
    50
    Thanks
    16
    Thanked 2 Times in 2 Posts

    Default "DH" on Raf service number index cards?

    Does anyone know what the "DH" stands for?


    626 Sqd Pilot F/S Stewart Jacques 1432964 PoW 2133 Shotup DV171 Crash Landed JB595 15/1/44 RIP 1993. Crew: Nav Sgt G C Farran 1512473 injured Branuschweig returned S.S.Gripsolm; F/E Sgt Alfred Arthur Phillips 1583796 RIP Berlin; B/A F/S J G Morton 1335893 PoW 1619 RIP 1997; WOp Sgt Frank Seddon 1536326 PoW 1469; M/U Sgt John Edward Holford 3050007 PoW 1465 RIP 26/3/2013; R/G Sgt Daniel Conolly O'Donnell 1061941 injured Branuschweig returned Letitia; M/U to 3/1/1943 Sgt A A Fletcher 1573497

  2. #2
    Join Date
    Nov 2007
    Location
    Bewdley, UK
    Posts
    2,891
    Thanks
    0
    Thanked 66 Times in 57 Posts

    Default Re: "DH" on Raf service number index cards?

    As far as I'm aware - its mostly on post war entry and was an administrative check sum to ensure correct service number recording.

    Ross
    The Intellectual Property contained in this message has been assigned specifically to this web site.
    Copyright Ross McNeill 2015 to 2022 - All rights reserved.

  3. #3
    Join Date
    Jun 2020
    Location
    Extreme South Midlands
    Posts
    50
    Thanks
    16
    Thanked 2 Times in 2 Posts

    Default Re: "DH" on Raf service number index cards?

    Thanks Ross.

    Does it indicate death in service?!!

    I can't find anything of him anywhere!
    626 Sqd Pilot F/S Stewart Jacques 1432964 PoW 2133 Shotup DV171 Crash Landed JB595 15/1/44 RIP 1993. Crew: Nav Sgt G C Farran 1512473 injured Branuschweig returned S.S.Gripsolm; F/E Sgt Alfred Arthur Phillips 1583796 RIP Berlin; B/A F/S J G Morton 1335893 PoW 1619 RIP 1997; WOp Sgt Frank Seddon 1536326 PoW 1469; M/U Sgt John Edward Holford 3050007 PoW 1465 RIP 26/3/2013; R/G Sgt Daniel Conolly O'Donnell 1061941 injured Branuschweig returned Letitia; M/U to 3/1/1943 Sgt A A Fletcher 1573497

  4. #4
    Join Date
    Nov 2007
    Location
    Bewdley, UK
    Posts
    2,891
    Thanks
    0
    Thanked 66 Times in 57 Posts

    Default Re: "DH" on Raf service number index cards?

    No.

    The hollerith cards had been used for equipment tracking during the war and post war the service record index system ran in two formats.

    Record of Service file in Registry under service number

    and

    Card Index under name and service number.

    If a service number was incorrectly entered when the hollerith card was created it had massive repercussions.

    To that end when the card index was created a two character checksum was generated which should match the hollerith card when it was created.

    Not an exact match digit for digit just a trip wire as in modern Cyclic Redundancy Checks on computer data packets today to say that information was possibly corrupt.

    As the two character was never amended on any index card it must remain valid and the only piece of info that does not change unless service changed is service number.

    Ross
    The Intellectual Property contained in this message has been assigned specifically to this web site.
    Copyright Ross McNeill 2015 to 2022 - All rights reserved.

  5. The Following User Says Thank You to Ross_McNeill For This Useful Post:

    Beagletorque (27th December 2021)

  6. #5
    Join Date
    Jun 2020
    Location
    Extreme South Midlands
    Posts
    50
    Thanks
    16
    Thanked 2 Times in 2 Posts

    Default Re: "DH" on Raf service number index cards?

    Thanks for the explanation Ross.
    626 Sqd Pilot F/S Stewart Jacques 1432964 PoW 2133 Shotup DV171 Crash Landed JB595 15/1/44 RIP 1993. Crew: Nav Sgt G C Farran 1512473 injured Branuschweig returned S.S.Gripsolm; F/E Sgt Alfred Arthur Phillips 1583796 RIP Berlin; B/A F/S J G Morton 1335893 PoW 1619 RIP 1997; WOp Sgt Frank Seddon 1536326 PoW 1469; M/U Sgt John Edward Holford 3050007 PoW 1465 RIP 26/3/2013; R/G Sgt Daniel Conolly O'Donnell 1061941 injured Branuschweig returned Letitia; M/U to 3/1/1943 Sgt A A Fletcher 1573497

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •