Open in FBI Vault (Part 90, page 170 of the PDF) Copy citation FBI 164-81, Vault Part 90 p. 170 (DB Cooper-40167), Memo, dated 29 Nov 1971, serial 164-1-69B (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-90/pages/170
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
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TO : SAC, PORTLAND (164-41) DATE: 11/29/71
FROM : SA RONALD E. SHERK
SUBJECT: UNSUB, SKYJACK, 11/24/71
SA [REDACTED], Seattle Division, telephoned from
Vancouver RA at 12:05 pm this date.
He wants to know when SA HIMMELSBACH was flying in the
Yacolt area and description of his plane. This is for
elimination purposes re plane sightings.
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(2)
RES
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[handwritten] 164-1-69B
SEARCHED _____ INDEXED _____
SERIALIZED _____ FILED _____
NOV 29 1971
FBI — PORTLAND
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Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan
DB Cooper-40167
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b6
b7C
AI notes AI These notes: machine-written — generated by an AI model from the transcripts, and it can be wrong. The scan is the source; the transcript is machine-generated from it. Commentary by the AI model that transcribed this page. It may bring in context the page itself does not state. The scan is the source; the transcript is machine-generated from it.
Standard US Government memorandum form header.
Internal FBI memo from SA Ronald E. Sherk to SAC Portland regarding the D.B. Cooper skyjacking case. A redacted Special Agent from the Seattle Division called from the Vancouver Resident Agency asking when SA Himmelsbach was flying in the Yacolt area and for a description of his plane, for the purpose of eliminating plane sightings.
Distribution or copy notation indicating 2 copies, with RES initials (likely the author Ronald E. Sherk).
FBI Portland field office filing stamp dated November 29, 1971, with case cross-reference number and a handwritten notation 164-1-69B.
Standard government form footer with savings bonds slogan and FBI Vault page identifier DB Cooper-40167.
FBI FOIA exemption codes b6 (personal privacy) and b7C (law enforcement personal privacy), indicating the basis for the name redaction in the memo body.
Clean typewritten memo with clear text One name redacted with black box after 'SA'