Part 65, page 74
DB Cooper-27295Serials SE 164-81
Document date 2 December 1971
FBI 164-81, Vault Part 65 p. 74 (DB Cooper-27295), Memo, dated 2 Dec 1971 — cooper.theunsolved.net/parts/Cooper-Part-65/pages/74
Transcript
The scan is the source; the transcript is machine-generated from it.
SAC, SEATTLE (164-81) (P) 12/2/71
SA CHARLES E. FARRELL
UNKNOWN SUBJECT, aka Dan Cooper NORTHWEST AIRLINES FLIGHT #305 PORTLAND TO SEATTLE 11/24/71 CAA - HIJACKING; EXTORTION
00: Seattle
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[illegible signature]
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RE: SEARCH AREA
On 12/2/71, SA [REDACTED], Case Agent at Minneapolis, advised that [REDACTED] of Northwest Airlines had some additional information concerning a possible adjustment to the search area.
On 12/2/71, [REDACTED] advised that the hijacked airplane was being flown on automatic pilot during most of the time it was in flight over the State of Washington and on down south.
[REDACTED] advised that because it was automatic pilot the crew might not be able to detect a change in the attitude of the flight caused by a 180-pound man parachuting from the back stairway. However, he advised that he is examining the flight recorder with a microscope which he expects will reveal "little bobs" or anomalies where the automatic pilot has mechanically made an adjustment to maintain the level flight of the aircraft.
He noted that there was a "little bob" at approximately 8:09 p.m. and based on that finding and the fact that the air stairs had gone down sometime earlier, [REDACTED] suggested that the search area probably should be extended to the north an additional three miles and to the south as far as the Columbia River. These extensions of the search area would be
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164-81- [illegible handwritten number]
CEF:jlb (2)
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DB Cooper-27295