Document date 29 November 1971AIDates: 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.
FBI 164-81, Vault Part 12 p. 167 (DB Cooper-2303), Teletype, dated 29 Nov 1971, serial SE 164-81-323 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-12/pages/167
The scan is the source; the transcript is machine-generated from it.
2.6" X 3.2" X 10.7"
WEIGHT: 2.7 LBS
SUB TRANSMITTERS
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X - [initials]
X / P [guess: 2]
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NR 004 PD PLAIN
5:26 URGENT 11-29271 LJQ
TO: SEATTLE (164-81)
FROM: PORTLAND (164-41) P 2P
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UNSUB; NORTHWEST AIRLINES FLIGHT THREE ZERO FIVE, NOVEMBER
TWENTYFOUR, SEVENTYONE. CAA - HIGHJACKING; EXTORTION. OO: SEATTLE.
RE SEATTLE TELETYPE TOHPORTLAND, NOVEMBER TWENTYNINE, SEVENTY-
ONE; AND PORTLAND TELEPHONE CALLHTO SEATTLE, SAME DATE.
[REDACTED]
WAS CONTACTED AND ADVISED A VOR RECEIVING DEVICE WOULD BE TOO
BULKY TO BE CARRIED ABOARD THE FLIGHT UNSEEN, AND DUE TO THE
TECHNICAL EFFORT OF THE DEVICE, IT WOULD PROBABLY REQUIRE A GOOD
DEAL OF TRAINING IN ORDER TO OPERATE IT. HE ADVISED THE
SMALLEST MODEL OF THE VOR RECEIVING DEVICE IS TWO POINT SIX INCHES
BY THREE POPNT TWO INCHES BY TEN POINT SEVEN IN LENGTH, WEIGHING
TWO POINT SEVEN POUNDS. SUCH A RECEIVER WOULD REQUIRE A TWELVE
VOLT BATTERY TO OPERATE PROPERLY, AND HORIZONTAL - POLARIZED
ANTENNA APPROXIMATELY THREE FEET IN LENGTH WHPCH WOULD EITHER HAVE
TO BE EXTENDED FROM THE AIRPLANE OR ATTACHED TO THE WINDOWHIN A
VERTICAL POSITPOM.
END PAGE ONE