Part 19, page 18
Serials 164-2111, SE 164-81, SE 164-81-7905
Document date 14 January 1972
FBI 164-81, Vault Part 19 p. 18, Memo, dated 14 Jan 1972, serial SE 164-81-7905 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-19/pages/18
Transcript
The scan is the source; the transcript is machine-generated from it.
DIRECTOR, FBI (164-2111) January 14, 1972
SAC, SEATTLE (164-81) (P)
NORJAK
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For the Bureau's information, on January 6, 1972, [REDACTED] Northwest Airlines in Minneapolis, Minnesota, accompanied by [REDACTED] Northwest Airlines, [REDACTED] Northwest Airlines, and [REDACTED] with permission of [REDACTED] of Northwest Airlines, flew the same Boeing 727 aircraft that was hijacked from Minneapolis to Seattle so that an experiment could be held endeavoring to simulate the exact flight conditions in order that it could be determined if the airplane reacted in the same way and in that manner when the weight equivalent to the estimated weight of the hijacker was ejected from the airplane via the back stairs.
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Under [REDACTED] directions, the last three rows of seats were removed from the aircraft and special measuring devices were attached to the rear end of the cabin so that it could be determined exactly what happened in the aircraft when the weight was dislodged. Through the assistance of members of the U. S. Air Force, three sleds were made on which were placed sand bag weights, bringing the total weight to approximately 235 pounds, that being the estimated weight of the hijacker, the parachute, and the money.
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On the morning of January 6, 1972, the Air Force provided a tracking plane with sophisticated photographic equipment on it, which first swept the surface to insure that there were no surface crafts in the vicinity, and at that point the 727 ascended to approximately 7,000 feet over the Pacific Ocean west of Hoquiam, Washington.
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2 - Bureau 2 - Seattle JEM/cjw (4)
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164-81-7905