Part 70, page 75
DB Cooper-29801Serials SE 164-81, SE 164-81-1993
Document date 18 January 1972
FBI 164-81, Vault Part 70 p. 75 (DB Cooper-29801), Memo, dated 18 Jan 1972, serial SE 164-81-1993 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-70/pages/75
Transcript
The scan is the source; the transcript is machine-generated from it.
SAC, SEATTLE (164-81) 1/18/72
SA CHARLES E. FARRELL
NORJAK
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In connection with preparations for the test drop, efforts were made to contact EARL COSSEY at SUnset 3-0475. COSSEY was out, but [REDACTED] [REDACTED], Seattle, [REDACTED] of EARL COSSEY, advised that he was presently working toward
[REDACTED]. He advised that one of the back packs was a 26 footer and the other a 28 footer, but both were rigged so they would have the same rate of descent.
He advised that the 26 foot chute, although it is smaller, also has a different design which would explaine why the two chutes could have an almost identical rate of descent. According to a chart referred to by [REDACTED], the chutes would have the following rate of descent:
A 28 foot with a person between 180 and 200 lbs., would drop about 17 to 18 feet per second.
He advised that the chutes would normally deploy in 3 or 4 seconds. They both were like military chutes in that they did not have sleeves.
[REDACTED] advised that he works [REDACTED] [REDACTED].
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CEF:klb (3)
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Sub. L 164-81-1993
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DB Cooper-29801