Re Northwest Airlines analysis of pressure bump data

Document date 30 November 1971

Part 66page 781 pageDB Cooper-27821

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Id: Cooper-Part-66:078-078

Subject: Cooper Files: Cooper-Part-66:078-078

Document: Teletype re Northwest Airlines analysis of pressure bump data
Id: Cooper-Part-66:078-078
Page: https://cooper.theunsolved.net/documents/Cooper-Part-66%3A078-078

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FBI 164-81, Vault Part 66 p. 78 (DB Cooper-27821), Teletype, dated 30 Nov 1971, serial SE 164-81-322 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-66%3A078-078

FD-36 (Rev. 5-22-64)

FBI

Date: 11/30/71

Transmit the following in _______ (Type in plaintext or code)

Via TELETYPE URGENT (Priority)

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CC: SEARCH COORSE

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TO : SAC, PORTLAND (164-41)

FROM: SAC, SEATTLE (164-81) (-P-)

UNSUB; NORTHWEST AIRLINES FLIGHT #305, PORTLAND TO SEATTLE, 11/24/71, CAA - HIJACKING; EXTORTION. OO: SE

FOR THE CONSIDERATION OF PORTLAND IN CONDUCTING SEARCH IN THIS MATTER, [REDACTED] NW, MINNEAPOLIS, IN A CONVERSATION 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 IN THIS CONNECTION THAT THERE IS AN AURORA FIELD NEAR DONALD, OREGON.

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PRB:klb (1) [illegible initials]

Sub. f 164-81-322

Approved: ________ Sent 6 M Per ________ Special Agent in Charge DB Cooper-27821

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b6 b7C

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

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Very similar text — possibly a copy redacted differently, or another memo written from the same template.