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 74 p. 49 (DB Cooper-31891), Letter, dated 29 Nov 1971 — cooper.theunsolved.net/parts/Cooper-Part-74/pages/49
Transcript
The scan is the source; the transcript is machine-generated from it.
2.
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Night jumps are were controlled at
most commercial DZ. The DZ is usually
circled with cars with their lights [guess: formed]
on with some flares going in the center.
The point here is that, if an experienced
jumper is, for example, blown over his
prearranged DZ, he has two choices: 1.
turn into the wind and lose and [guess: lock] he lands
close by and doesn't back into a [guess: free] cars
building etc.; 2. get on the wind line and
turn and run and pick an alternate DZ
that is both lighted and big enough that he
can get into. Most experienced jumpers will
take #2.
The skyjacker would have gone into his
dark wooded area at night only if he could
have identified a prearranged marked DZ before
leaving the aircraft.
The experienced jumper can sense wind
speed and direction in free fall and can make
adjustments accordingly. "tracking" for example
in which you can move one foot horizontally
for every two feet vertically (some jumpers
can achieve a better ratio, some worse, and
some not at all).