Re Boeing Technical Data, UNSUB aka Dan Cooper
Document date 8 December 1971
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Id: Cooper-Part-66:283-283
Subject: Cooper Files: Cooper-Part-66:283-283 Document: Memo re Boeing Technical Data, UNSUB aka Dan Cooper Id: Cooper-Part-66:283-283 Page: https://cooper.theunsolved.net/documents/Cooper-Part-66%3A283-283 What is wrong (title, date, type, which pages belong together, copies)? What does the scan show?
A person reads every report. Corrections are made by hand, to the data — titles, dates, names, which pages belong together — never to the scans, and they can take a while to appear.
FBI 164-81, Vault Part 66 p. 283, Memo, dated 8 Dec 1971, serial SE 164-81-1060 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-66%3A283-283
SAC (164-81) (P)
SA [REDACTED]
UNSUB, aka Dan Cooper; NORTHWEST AIRLINES FLIGHT 305 PORTLAND TO SEATTLE, 11/24/71 CAA-HIJACKING; EXTORTION OO: SE
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12/8/71
RE: Boeing Technical Data
RE: [REDACTED]
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On 12/2/71, [REDACTED] [REDACTED], Seattle, Washington, furnished the following information:
He was [REDACTED] [REDACTED] testing of this aircraft.
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It is physically impossible to make a take-off in the 727 with the rear stairs extended. He explained that if this were attempted the stairs would strike the runway at the point of rotation just prior to liftoff.
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[REDACTED - large block of text fully obscured]
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[REDACTED - additional block of text fully obscured]
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JCN/djs (3)
[handwritten] 164-81-1060 SEARCHED ......... INDEXED SERIALIZED [illegible] FILED DEC 08 1971 FBI-SEATTLE
Serials: SE 164-81, SE 164-81-1060