Document date 20 June 1973AIDates: machine-written — generated by an AI model from the transcripts, and it can be wrong. The scan is the source; the transcript is machine-generated from it.
FBI 164-81, Vault Part 32 p. 3 (DB Cooper-11598), Airtel, dated 20 Jun 1973, serial SE 164-81-Y807 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-32/pages/3
The scan is the source; the transcript is machine-generated from it.
SE 164-81
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phenomena of "pressure oscillation" was unknown to the
crew or anyone else, prior to a test conducted by FBI,
U. S. Air Force and Northwest Orient Airlines personnel
on January 6, 1972.
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The final solution was proposed by [REDACTED]
as follows:
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[REDACTED — large blocked-out area]
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In order for this solution to have any credibility
at all, it is necessary to make the following assumptions:
(1) If it was a crewmember, he would be known to
stewardesses and the ticket agent;
(2) There would have to have been at least seven
persons involved (i.e. pilot, 2nd officer,
3rd officer, 3 stewardesses and a ticket
agent or an accomplice);
(3) No passengers were involved.
Under these assumptions, this solution is not
plausible because of the following reasons: