Part 90, page 178

Transcript

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FD-36 (Rev. 5-22-64)

FBI

Date:

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PD 164-41

PAGE TWO

[REDACTED] ADVISED THAT 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 WITH 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. [REDACTED] ADVISED THAT THE BEACON RECEIVER WOULD WORK ON A NINE VOLT TRANSISTOR BATTERY AND SERIES WITH A NORMAL 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 BECON RECEIVER WILL NOT INTERFER WITH ANY OF THE AIRCRAFT INSTRU- MENTS, NOR CAN IT BE DETECTED WHILE IN USE.

[REDACTED] ADVISED THE DISTRIBUTORS OF SUCH A DEVICE IS NARCO AVIONICS, WHICH HAS DISTRIBUTORS THROUGHOUT THE COUNTRY, INCLUDING FIVE IN OREGON AND FIVE IN WASHINGTON.

BASED UPON THE ABOVE INFORMATION AND PORTLAND TELEPHONE CALL TO SEATTLE, IT IS SUGGESTED SEATTLE DIVISION REEVALUATE LEADS SET OUT IN REFERENCED COMMUNICATION.

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Approved: _______________ Sent _______________M Per _______________ Special Agent in Charge U.S. GOVERNMENT PRINTING OFFICE: 1971-413-135 DB Cooper-40175