Part 116, page 67
DB Cooper-53040Serials MP 164-73, SE 164-81, SE 164-81-4875
Document date 23 July 1973
Another copy of this document is the primary, most legible copy: read it.
FBI 164-81, Vault Part 116 p. 67 (DB Cooper-53040), Airtel, dated 23 Jul 1973, serial SE 164-81-4875 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-116/pages/67
Transcript
The scan is the source; the transcript is machine-generated from it.
7/23/73
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AIRTEL AIR MAIL
TO: SAC, MINNEAPOLIS (164-73) FROM: SAC, SEATTLE (164-81) (P)
SUBJECT: NORJAK OO: SEATTLE
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UNSUB; Who May Have Made a Trial Run On a Flight From Portland to Seattle
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It is possible that UNSUB made a trial run or runs prior to NORJAK, for the purpose of perfecting his hijack plan.
If passenger lists of flights from Portland to Seattle for two weeks prior to NORJAK could be obtained the names on these lists could be compared to NORJAK Indices, and other lists = currently on file at Seattle in order to possibly identify UNSUB.
In an attempt to determine if UNSUB made a trial run prior to NORJAK, [REDACTED] Northwest Orient Airlines, Seattle, was contacted on 7/16/73 and he furnished the following information:
Records of reservations are stored in Northwest Orient Airlines Univac Computer System and can be retrieved as far back as five years.
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2 - Minneapolis 3 - Seattle RNN/rse (5)
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b6 b7C
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DB COOPER-53040 Sub 62) 164- 81- 4875