MemoSA to SAC Seattle re suspect Cessna aircraft near Yacolt (duplicate copy)29 November 19711 page
memoLegibility: high

Part 111, page 37

DB Cooper-1988Serials SE 164-81, SE 164-81-186

Document date 29 November 1971

Open in FBI Vault (Part 111, page 37 of the PDF)

FBI 164-81, Vault Part 111 p. 37 (DB Cooper-1988), Memo, dated 29 Nov 1971, serial SE 164-81-186 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-111/pages/37

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: 11/29/71

FROM : SA [REDACTED] b6 per FBI b7C per FBI

SUBJECT: UNSUB; Northwest Airlines Flight 305 Portland to Seattle 11/24/71 CAA - HIJACKING; EXTORTION OO: Seattle

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SUSPECT CESSNA AIRCRAFT NEAR YACOLT

On November 29, 1971, [REDACTED] advised that the registration for all aircraft are maintained at FAA Head- quarters in Oklahoma City, Oklahoma. He suggested that [REDACTED] [REDACTED] Aircraft Registrations Branch, FAA, Oklahoma City, might be able to furnish information to further identify suspect aircraft. Teletype lead set out.

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On November 29, 1971, Mr. ROBERT ZENS, Engineer, Federal Communications Commission, 901 - 1st, Seattle, Washington, advised that the Citizens Band radio had 23 channels and is utilized by over 8,000 licensed operators. He said that the code name "Red Dot" was not a licensed call sign and it is probably being utilized by an unlicensed individual. He said it would be impossible to identify this individual unless request was made through channels for FAA to monitor Channel 14 and attempt to locate "Red Dot," with an elaborate tracking system which could be utilized only when "Red Dot" was transmitting.

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164-81 - 186 [illegible] ...FILED Nov 29 1971 FBI - SEATTLE [illegible signature]

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WHW:bfr (2)

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

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DB Cooper-1988