65_hs1-834228961_62-hq-83894_serial_164.pdf

62- HQ-83894
Serials EBF 164
EBF + 62-83894-EBF 164

DO NOT
DESTROY

FBI - CENTRAL RECORDS CENTER
HQ - HEADQUARTERS
Class / Case # Sub Vol. Serial #
0062 83894 1 164 ONLY
8/11/1274166
RRPO0304G8

ENCL BEHIND FILE
62-83894-164
DO NO
DESTR
FOIPA # 1142292

Declassification authority derived
from FBI Automatic Declassification
Guide, issued May 24, 2007

RESTRICTED
DEPARTMENT OF THE AIR FORCE
HEADQUARTERS UNITED STATES AIR FORCE
DIRECTORATE OF INTELLIGENCE
WASHINGTON 25, D. C.
15 February 1949
AIR INTELLIGENCE REQUIREMENTS
MEMORANDUM NUMBER 4
UNCONVENTIONAL AIRCRAFT
PART I - GENERAL

1. PURPOSE
The purpose of this memorandum is twofold:
a. To enunciate continuing Air Force requirements for information pertaining to sightings of unconventional aircraft and unidentified flying objects, including the so-called "Flying Discs."
b. To establish procedures for reporting such information.

2. RESCISSION
Department of the Army Collection Memorandum Num…

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(2) Supplementary written reports, prepared on AF Form 112, will be forwarded to the Director of Intelligence, Headquarters United States Air Force.

(3) Commanding General, Air Materiel Command is authorized direct contact with major Air Commands (overseas) and organizations under their control in connection with the development of information on this subject.

c. Major Air Commands (ZI)

(1) Reports will be forwarded direct to the Commanding General, Air Materiel Command, Wright-Patterson Air Force Base, Dayton, Ohio, Attn: MCIAXO-3 by installations receiving information pertaini…

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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 …

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c. Odor (if any).
d. Rate of evaporation.
e. Does trail vary with sound? (spurts)

12. Effect on clouds.
a. Opened path thru clouds.
b. Forced cloud or mists.
c. Reflected on cloud.
d. Showed thru cloud.

13. Lights.
a. Reflected or attached.
b. Luminous
c. Blinked on and off in relation to speed.

14. Support
a. Wings.
b. Aerodynamic list of fuselage.
c. Vertical jet.
d. Rotating cylinder or cone.
e. Aerostatic lift (balloon or dirigible).

15. Propulsion.
a. Propeller or jet.
b. Rotor.
c. Aerodynamic vanes (flapping or oscillating) (Katz Mayer effect).
d. Visible exhaust or jet o…

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17. Air ducts.
a. Slots.
b. Duct openings.

18. Speed - M.P.H.

19. Sound.
a. Continuous whine or buzz.
b. Roar, whistle, whoosh.
c. Intermittent.

20. Manner of disappearance.
a. Explode.
(1) Possibility of fragments.
(2) Other physical evidence.
b. Faded from view.
c. Disappeared behind obstacle.

Relative to the Observer

1. Name of observer.
2. Address.
3. Occupation.
4. Place of business.
a. Employer or employee.
5. Pertinent hobbies.
a. Is observer amateur astronomer, pilot, engineer, etc.
b. Length of time engaged in hobby (experience).
6. Ability to determine:
a. Color.
b. …

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(1) Neighbors.
(2) Police Dept.
(3) FBI records.
(4) Employer.

8. Notes relative to observer on:
a. Sightings in general.
b. How attention was drawn to object(s).
(1) Sound.
(2) Motion.
(3) Glint of light.
c. Degree of fatigue and duration of flight at time of sighting in cases where observer is airborne.

9. Witnesses.
a. Addressees.
b. Occupation.
c. Reliability.

10. Comments of interrogator regarding the intelligence and character of person interrogated.

Relative to Radar Sightings

1. Re radars operating on ground.
a. Observations of range, speed, altitude and size of target…

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3. Local flight schedules of commercial, private and military aircraft flying in vicinity at the time. (Check Canadian activity if close to that border.)

4. Possible releases of testing devices in vicinity sent aloft by Ordnance, Navy, Air Force, Army, Weather Units, Research Organizations or any other.

5. If object contacted earth, obtain soil samples within and without depression or spot where object landed (and then presumably departed) for purpose of making comparison of soils.

6. If object came sufficiently near other aircraft or known objects check surfaces with Geiger cou…