Project Blue Book File on Tremonton Film, Utah, 1952
DOW-UAP-D102 · page 41 of 156
Text
A machine read this text from the scan. When the text and the image disagree, the image is right.
(1) Definite flight pattern
(2) dimensional; objects
seeming to merge went behind other.
(3) Undulating flight. (ok)
(4) Angular velocity = 2.3°/sec ~
$@ 500 \text{ yds} = 41 \text{ mph}$
$@ 1000 \text{ yds} = 8 \text{ mph}$
$@ 5000 \text{ yds} = 410 \text{ mph}$
$@ 10,000 \text{ yds} = 820 \text{ mph}$
(5) Controlled flight.
DECLASSIFIED Authority NND 923007