Seattle to Portland re pressure bump analysis by Northwest Airlines

Document date 30 November 1971

Part 65page 911 pageDB Cooper-27321

Also filed at: Part 90 p. 225

Copies may differ in what was redacted.

Open in FBI Vault (Part 65, page 91 of the PDF)
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Id: Cooper-Part-65:091-091

Subject: Cooper Files: Cooper-Part-65:091-091

Document: Teletype Seattle to Portland re pressure bump analysis by Northwest Airlines
Id: Cooper-Part-65:091-091
Page: https://cooper.theunsolved.net/documents/Cooper-Part-65%3A091-091

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FBI 164-81, Vault Part 65 p. 91 (DB Cooper-27321), Teletype, dated 30 Nov 1971, serial SE 164-81-322 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-65%3A091-091

NR013 SE PLAIN 620 PM URGENT 11/30/71 VAB TO PORTLAND (164-41) FROM SEATTLE (164-81) (P)

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UNSUB; NORTHWEST AIRLINES FLIGHT THREE ZERO FIVE, PORTLAND TO SE- ATTLE, NOVEMBER TWENTYFOUR, SEVENTYONE, CAA-HIJACKING; EXTORTION. OO: SE

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FOR THE CONSIDERATION OF PORTLAND IN CONDUCTING SEARCH IN THIS MATTER, [REDACTED] NW, MINNEAPOLIS, IN A CON- VERSATION WITH THIS OFFICE ON NOVEMBER TWENTYNINE LAST, ADVISED THAT THEY HAVE BEEN PASSING INFORMATION ON TO US BASED ON THE QUOTE PRESSURE BUMP ENQUOTE INDICATING THAT THE MAN HAD JUMPED NORTH OF PORTLAND. HE SAID IT WAS ENTIRELY POSSIBLE THAT THE MAN DID NOT JUMP WHEN THIS PRESSURE BUMP TOOK PLACE. IT WAS ENTIRELY POSSIBLE THAT HE SAT ON THE END OF THE STAIRS TO CHECK OUT HIS REFERENCE POINTS BEFORE HE JUMPED. IF HE DID THIS FOR EVEN A SHORT TIME, HE COULD HAVE EASILY LANDED ACROSS THE RIVER IN OREGON. HE POINTED OUT THIS CONNECTION THAT THERE IS AN AURORA FIELD NEAR DONALD, OREGON. END

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REC'D TWOO TELS AJW FBI PORTLAND HOLD

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Sub. E 164-81 - 322

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DB Cooper-27321

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b6 b7C

Serials: PD 164-41, SE 164-81, SE 164-81-322