FBI file 62-HQ-83894, serial 164

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b. Air
(1) Type aircraft, speed, altitude, direction of flight.
(2) Distance and direction from city, town or known landmark.
(3) Clock position of object from observer' s aircraft.
(4) Latitude and longitude.'
c . Sea
(1) Latitude and longitude.
(2) Proximity to land. (Name city, country, etc.)
4. Number of objects.
Formation type (if any), sketch if possible.
5. Observable celestial phenomena or planets that may account for the sighting. (Local facilities
or organizations which follow such celestial phenomena should be consulted for such information.)
6. Distance of object from observer.
a. Laterally or horizontally.
b. Angle of elevation from horizon.
C. Altitude.
7. Time in sight.
8. Appearance of object.
a. Color.
b. Shape. (Sketch if possible)
c . Apparent construction. (Of what material or substance)
d. Size.
(1) Estimated size.
(2) Size as it appeared from observer's view. (Compared to known object)
9. Direction of flight.
10. Tactics or maneuvers.
Vertical ascent or descent, horizontal, oscillating, fluttering, evasive, aggressive, erratic, etc .
11. Evidence of exhaust.
a. Color of smoke.
, b. Length and width.
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