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. 170 (DB Cooper-2306), Teletype, dated 29 Nov 1971, serial SE 164-81-323 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-12/pages/170
The scan is the source; the transcript is machine-generated from it.
PD 164-41
PAGE TWO
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[REDACTED] ADVISED THE MOST LIKELY DEVICE TO BE USED IN
SUCH A MANNER, AND DUE TO THE FLIGHT OF THE AIRCRAFT, WOULD BE
THE MARKER BEACON RECEIVER, WHICH ACCORDING TO [REDACTED] COULD BE
MADE BY ANY PERSON WPTH THE SLIGHTEST KNOWLEDGE OF COMMUNICATION
OR RADIO EQUIPMENT. SUCH A DEVICE COULD BE THE SIZE OF A PACKAGE
OF CIGARETTES OR FOR A MORE EXACTING DEVICE, COULD BE ANY SIZE.
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[REDACTED] ADVISED THATHTHE BEACON RECEIVER WOULD WORK ON A NINE VOLT
TRANSISTOR BATTERY AND SERIES WITH A NORMWL FLASHLIGHT BATTERY.
SUCH A DEVICE CAN BE PURCHASED FROM ANY OF THE AVIATION COMPANIES
FOR APPROXIMATELY TWO HUNDRED SEVENTYFIVE DOLLARS, WHICH [REDACTED]
ADVISED IS THE MINIMUM PRICE. ACCORDING TO [REDACTED] THE MARKER
BEACON RECEIVER WILL NOT INTERFER WITH ANY OF THE AIRCRAFT INSTRU-
MENTS, NOR CAN IT BE DETECTED WHILE IN USE.
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[REDACTED] ADVISED THE DISTRIBUTORS OF SUCH A DEVPCE IS NARCO
AVIONICS, WHICH HAS DISTRIBUTORS THROUGHOUT THE COUNTRY, INCLUDING
FIVE IN OREGON AND FIVE IN WASHINGTON.
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BASED UPON THE ABOVE INFORMATION AND PORTLAND TELEPHONE CALL
TO SEATTLE, IT IS SUGGESTED SEATTLE DIVISION REEVALUATE LEADS SET
OUT IN REFERENCED COMMUNICATIOM.
END
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CORR PAGE ONE THRID LINE FOURTH FOXX WORD SHLD READ [REDACTED]
AND ELEVENTH LINE LAST WORD SHLD READ POLARIZED
END