ASAC Paul R. Bibler to SAC Seattle re estimated jump point near Ariel, Washington

Document date 25 November 1971

Part 10pages 331–3322 pagesDB Cooper-1558–1559

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Id: Cooper-Part-10:331-332

Subject: Cooper Files: Cooper-Part-10:331-332

Document: Memo ASAC Paul R. Bibler to SAC Seattle re estimated jump point near Ariel, Washington
Id: Cooper-Part-10:331-332
Page: https://cooper.theunsolved.net/documents/Cooper-Part-10%3A331-332

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FBI 164-81, Vault Part 10 pp. 331–332 (DB Cooper-1558–1559), Memo, dated 25 Nov 1971 — cooper.theunsolved.net/documents/Cooper-Part-10%3A331-332

OPTIONAL FORM NO. 10 MAY 1962 EDITION GSA FPMR (41 CFR) 101-11.6 UNITED STATES GOVERNMENT Memorandum

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TO : SAC, SEATTLE (164-NEW) DATE: 11/25/71

FROM : ASAC PAUL R. BIBLER

SUBJECT: UNSUB; Northwest Flight 305 11/24/71 CAA - HIJACKING; EXTORTION

[REDACTED] of Minneapolis advised that Northwest Airlines had figured out by pressure changes the rate of descent, a very small area in which they felt the subject might have descended. [REDACTED] talked to [REDACTED] of Northwest Airlines on the phone. [REDACTED] said that, in looking at a road map, one reference point should be north northwest of Crawford, Washington, about four miles just west of Highway I-S. The second reference point is two miles south southwest of A[REDACTED]il, Washington. A line drawn between these two points should cover the place of descent of the Unsub. ARIEL

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b6 b7C

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SEARCHED _____ INDEXED SERIALIZED ____ FILED NOV 25 1971 FBI—SEATTLE

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64 - F1 - 3

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PRB:bfr (2)

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Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan

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DB Cooper-1558

SAC, SEATTLE (164-NEW) 11/25/71

ASAC PAUL R. BIBLER

UNSUB; Northwest Flight 305 11/24/71 CAA - HIJACKING; EXTORTION

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[REDACTED] of Minneapolis advised that Northwest Airlines had figured out by pressure changes the rate of descent, a very small area in which they felt the subject might have descended. [REDACTED] talked to [REDACTED] of Northwest Airlines on the phone. [REDACTED] said that in looking at a road map, one reference point should be north northwest of Crawford, Washington, about four miles just west of Highway I-S. The second reference point is two miles south southwest of Aeril, Washington. A line drawn between these two points should cover the place of descent of the Unsub.

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PRB:bfr (2)

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SEARCHED _____ INDEXED SERIALIZED _____ FILED NOV 3 [illegible] FBI—SEATTLE

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b6 b7C

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DB Cooper-1559

Serials: 164-NEW