MemoSA Thomas J. Manning to SAC Seattle re search, weather and wind conditions3 December 19711 page
memoLegibility: medium

Part 99, page 179

DB Cooper-44663Serials SE 164-81, SE 164-81-562

Document date 3 December 1971

Open in FBI Vault (Part 99, page 179 of the PDF)

FBI 164-81, Vault Part 99 p. 179 (DB Cooper-44663), Memo, dated 3 Dec 1971, serial SE 164-81-562 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-99/pages/179

Transcript

The scan is the source; the transcript is machine-generated from it.

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

TO : SAC, SEATTLE (164-81) DATE: 12/3/71 FROM : SA THOMAS J. MANNING SUBJECT: UNSUB, aka Dan Cooper; NW AIRLINES FLIGHT #305, PORTLAND TO SEATTLE, 11/24/71 CAA - HIJACKING; EXTORTION OO: SE

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[Handwritten annotations:] Seb: Search [guess: Susp] SANDAL [guess: Susp] 35 [guess: cease] SuB WEATHER + WIND b6 b7C [guess: Clim]

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Investigation in Clark and Cowlitz Counties on 12/3/71, consisted of the following:

[REDACTED] mentioned in his interview at Rockford, Illinois, were contacted and alibi furnished by SANDAL was verified.

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Investigation vicinity [REDACTED] reflected one woman, [REDACTED] recalls a light plane landing with its landing lights on between 8:00 and 8:30 PM, on 11/24/71, remaining on the ground for approximately one half hour. However, she pointed out that she finds nothing suspicious in this since a number of planes land at both the Hauhn and McClellan/small air strips frequently, both day and night, and it is possible she may be confused on the exact time of the landing of the light plane which she has referred to as being 11/24/71.

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Information developed by SA [REDACTED] at Vancouver, Washington, reflects [REDACTED] possible suspect in hijacking and memo to file will be furnished by SA [REDACTED] on 12/6/71, with details.

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Contact made with U.S. Weather Bureau, Portland, Oregon, to determine exact weather from 7,000 feet to ground level on 11/24/71, reflects generally conditions previously furnished to case agent, except that some of these winds both at 7,000 feet and on the surface could have been coming from 225 to 235 degrees, a general southeast to 35 wind. Further information concerning the wind and weather conditions being furnished in insert form [guess: 164-81-562]. concerning search in general.

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[STAMP] DEC 9 1971 FBI - SEATTLE

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TJM:klb (3)

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

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DB COOPER-44663