Part 11, page 17
DB Cooper-1910Serials SE 164-81, SE 164-81-158
Document date 29 November 1971
FBI 164-81, Vault Part 11 p. 17 (DB Cooper-1910), Teletype, dated 29 Nov 1971, serial SE 164-81-158 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-11/pages/17
Transcript
The scan is the source; the transcript is machine-generated from it.
FD-36 (Rev. 5-22-64)
FBI
Date: 11/29/71
Transmit the following in ___PLAINTEXT___ (Type in plaintext or code) Facsimile TELETYPE URGENT Via _______________ (Priority)
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TO : SAC, PORTLAND FROM: SAC, SEATTLE (164-81)
UNSUB; NORTHWEST AIRLINES FLIGHT THREE ZERO FIVE, NOVEMBER TWENTYFOUR, NINETEEN SEVENTYONE, CAA DASH HIJACKING; EXTORTION. OFFICE OF ORIGIN: SEATTLE.
INFORMATION DEVELOPED NOVEMBER TWENTYEIGHT LAST AT VANCOUVER, WASHINGTON, THROUGH CONTACT WITH EXPERIENCED AVIATION PERSONNEL REFLECTS POSSIBILITY THAT A VOR RECEIVING DEVICE, POSSIBLY COMPOSED OF TRANSISTERIZED COMPONENTS, AND SMALL ENOUGH TO BE PLACED IN A POCKET, COULD HAVE BEEN USED BY THE SUBJECT TO MAKE GROUND CONTACT EVEN THOUGH VISUAL CONTACT WAS IMPOSSIBLE.
SEATTLE DIVISION SECURING LIST OF DISTRIBUTORS OF VOR COMPONENTS AT A AVIATION COMPANY IN VANCOUVER, WASHINGTON, AND IT HAS BEEN SUGGESTED THAT ANOTHER MANUFACTURER OF SUCH COMPONENTS IS HILLSBORO AVIATION AT HILLSBORO, OREGON.
PORTLAND, AT HILLSBORO, OREGON, CONTACT HILLSBORO AVIATION SECURE LIST OF DISTRIBUTORS OF SMALL VOR UNITS AND CONDUCT APPROPRIATE INVESTIGATION TO IDENTIFY INDIVIDUALS WHO HAVE PURCHASED SUCH ITEMS FROM THE DISTRIBUTORS. P.
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X- TRANSMITTOR
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TJM/rmh (1) Approved: _____ Special Agent in Charge Sent ___1059A___ M Per __Sta__ ☆ U.S. GOVERNMENT PRINTING OFFICE: 1971-413-135 DB Cooper-1910