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Thread: Meanings of Statistical Analysis of Balloon Collisions Used on Accident Cards?

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    Default Meanings of Statistical Analysis of Balloon Collisions Used on Accident Cards?

    Despite checking numerous 1940 files over the years, I have been unable to find out what the Statistical Analysis used on 1940 Flying Accident Cards meant, where a friendly aircraft collides with our balloon barrage cable. Examples below.

    What I have established is that the numerals or numbers (following the letters) are definitely not the number of cables impacted, as no friendly aircraft impacted 4 or more balloon cables before April 1941 according to a file.

    1. I have no AM1180 Balloon Collision Cards from 1941, is anyone able to scan odd ones (in Greyscale) JPEG or Pdf that you have from 1941 and email to my address please (my email is registered to my name on here)?

    2. Does anyone have an Accident Card where the following Analysis is used and an explanation appears in brackets alongside it?

    3. Is the same analysis used Jan to June 1942 Flying Accident Cards and if so, does anyone have any AM1180 for balloon collisions they might scan and email please?

    4. Does anyone have one starting with "BB"?

    I feel that "BA" might be off Track or Course, or even other meanings, but nothing concrete and no explanation as to BA i; ii; or iii.

    Thanks in anticipation, Mark

    Last edited by Mark Hood; 24th August 2014 at 23:59.

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