AirtelSAC San Francisco to SAC Minneapolis re theory of suspect hiding aboard aircraft21 November 1973page 2 of 2
reportLegibility: high

Part 32, page 457

DB Cooper-12096Serials SF 164-220

Document date 21 November 1973

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Open in FBI Vault (Part 32, page 457 of the PDF)

FBI 164-81, Vault Part 32 p. 457 (DB Cooper-12096), Airtel, dated 21 Nov 1973, serial 164-31-504 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-32/pages/457

Transcript

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SF 164-220 BHC/kle

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particular aircraft. According to [REDACTED] any competent mechanic, if given enough time, could remove panels from the airplane either in the floor or restroom area, secrete himself in the space after fashioning some kind of device to pull the panel or floor in behind him. He suggested that the hijacker could have gotten into the cargo area and hidden in a box in the above manner. [REDACTED] theory was that a mechanic with the airline could have accomplished these things at any time when the aircraft was having a major overhaul.

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It should be pointed out that in all probability the hijacker jumped from the airplane since there was evidence of a pressure change when the stairwell closed apparently after a heavy object jumped from the stairs. The same pressure change occurred when a subsequent demonstration was conducted by throwing a 150 pound object from the stairs.

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An information copy being sent to Las Vegas since a search of the airplane was conducted there and that office may be able to refute the scheme suggested by [REDACTED]

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LEADS:

MINNEAPOLIS

AT MINNEAPOLIS, MINNESOTA. 1. Ascertain from Northwest officials if it would be feasible to accomplish the above and if engineers of the company could be consulted to either confirm or reject the idea.

2. If deemed necessary, locate and examine the aircraft for any evidence of tampering with panels, floors, etc.

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DB Cooper-12096