Handwritten noteCitizen letter with diagrams proposing anti-hijacking cabin seating and curtain modificationspage 1 of 3
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Part 73, page 239

DB Cooper-31585

Open in FBI Vault (Part 73, page 239 of the PDF)

FBI 164-81, Vault Part 73 p. 239 (DB Cooper-31585), Handwritten note — cooper.theunsolved.net/parts/Cooper-Part-73/pages/239

Transcript

The scan is the source; the transcript is machine-generated from it.

Dear Sirs,

I am suggestively writing to you. About the airplane hijacking. I am an imaginative person and I have ideas come to me. I recently sent one to an airline. I am sending this one to you.

I think I see a possible way of altering the hijackers arena which could lead to other possible methods of thwarting.

The way I see it can involve a lot of or very little labor and material according to the degree of thwart[ment] needed.

For planes smaller than the 747 I suggest that the aisle be interrupted with one or maybe two sets of seats be set [guess: up] consecutive per each

SEE DRAWING ON BACK

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DB Cooper-31585

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SEE DRAWING ON BACK