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    Re: Aircraft position when you first hear it
    From: Antoine Couëtte
    Date: 2021 Oct 13, 08:10 -0700

    David,

    You are 100% right, although I am totally unfamiliar with any relevant military publication(s) you are mentioning.

    By all means, I am not the first one to ever address this.

    Meanwhile let's see whether we are going to get substantially accurate replies to both examples submitted here which obviously are to come consistent with this generally known "rule of thumb" just revived by Frank.

    Best Regards to you, David,

    Antoine

    PS : In my initial post covering this subject of "Aircraft position when you first hear it", please correct my reference to David Pike's earlier remark which triggered this new thread, The topic he covered then was opening an opportunity for a new thread different from the previous one ("Contrail and Aircraft Distance").

       
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