28952581.pdf

|  1. DATE - TIME GROUP | 2. LOCATION  |
| --- | --- |
|  10 Jan 53 10/2345Z | Sonoma, California  |
|  3. SOURCE | 10. CONCLUSION  |
|  Retired Colonel | UNIDENTIFIED  |
|  4. NUMBER OF OBJECTS | Unidentified  |
|  One |   |
|  5. LENGTH OF OBSERVATION | 11. BRIEF SUMMARY AND ANALYSIS  |
|  60 - 75 Sec. | Silvery colored object traveled at estimated speed of 4 times the speed of jet a/c. Object made 3 360° turns and several 90° turns, then rose vertically and disappeared.  |
|  6. TYPE OF OBSERVATION |   |
|  Ground-Visual |   |
|  7. COURSE |   |
|  Northwest |   |
|  8. PHOTOS |   |
|  ☐ Ye…

1. Atia
2. Atia
3. Cfiles

UNCLASSIFIED

RA205
WPB002
YDB001
XYA354T
XDB218
JWPML 191
NMNM JEPHQ JEDWP JEDEN 333
DE JWPML 151A
NM 162200Z ZNJ ZEX
FM CG WADF HAMILTON AFB CALIF
TO JEPHQ/DIR OF INTEL, HQ USAF, WASH 25 D C
JEDWP/ATIC WRIGHT-PATTERSON AFB OHIO ATTN ATIAA-2C
JEDEN/CG ADC ENT AFB COLORADO SPRINGS COLO

//WOID 01131. ATTN: INTEL. FLYOBRPT. /1/ SHAPE: UNKNOWN. SIZE: ABOUT SIZE OF PIN HEAD HELD 2FT FR EYE. COLOR: SILVERY, POSSIBLY DUE TO REFLECTION OF SUN AGAINST (ACFT TYPE COVERING.) NUMBER: 1. AERODYNAMIC FEATURES: NEG. SPEED: GR RATE OF SPEED, ABOUT 4 TIMES SPEED OF J ACFT. SOUND: S…

PAGE TWO JWPNL 191A

ADDISAPPEARED FR VIEW. TRAIL OR EXAUST: NEG. PROPULSIONS SYS:
NEG. DISAPPEARANCE: ROSE VERTICALLY AND DISAPPEARED FR VIEW. /2/
BETWEEN 1545 AND 1600 PST-2345 AND 2400Z 10 JAN 53. LGTH OF
OBSERVATION 60 TO 75 SECONDS. /3/ VISUAL SIGHTING. /4/ 8. MIS NW SONOMA,
CALIF IN SONOMA VALLEY. OBJ SIGHTED 45 DEGREES NW OF OBSR AT VERY HIGH
ALT. /5/ 1 OBSR RETD COL W/ 100 HRS AIR EXPERIENCE. 1 OBSR EMPL FSA,
S.F., CALIF. /6/ WEA HAMILTON AFB AND SONOMA; CLEAR, VISIBILITY 10 MIS,
WINDS FR E AT 7 KNOTS. /7/ NEG. /8/ NEG. /9/ NEG. /10/ NO OTHER AIR
TRAFFIC IN AREA AT TIME OF SIGHTING. EN…

AF FORM 112—PART I
APPROVED 1 JUNE 1948
(10/2345Z Sonoma, Calif
(Handwritten: 5)
(Handwritten: 10/2345Z Sonoma, Calif)

|  COUNTRY | PRINT NO. | LEAVE BLANK  |
| --- | --- | --- |
|  United States | LR-1-53W |   |

# AIR INTELLIGENCE INFORMATION REPORT

**SUBJECT**
Unidentified Flying Object Report (FLYOBRPT)

**AREA REPORTED ON**
Sonoma Valley, California

**DATE OF REPORT**
20 January 1953

**DATE OF INFORMATION**
15 January 1953

**FINANCED BY (CODE)**
GENCY D. DAVIS, Captain, USAF

**REPORTED (Control Branch, Division, Division, Area, or Organizer)**
AFL 200-S, dated 29 April 1952

**CONFI…

AF FORM 112—PART II
APPROVED 1 JUNE 1948
UNCLASSIFIED
AIR INTELLIGENCE INFORMATION REPORT

|  FROM (Agency) | REPORT NO. | PAGE 2 OF 4 PAGES  |
| --- | --- | --- |
|  Hq, NADF, Hamilton AFB Hamilton, Calif | IR-1-53W |   |

On 15 January 1953 at 1:35 hours PST (1935Z), one Colonel USAF, (Retired), appeared and was interrogated in the Office of the Director of Intelligence, Hamilton Air Force Base, Hamilton, California, stating he had observed an unidentified flying object. A tape recording of this interrogation was made and is forwarded with this report as inclosure #1. Information contained t…

AF FORM 112—PART II
APPROVED 1 JUNE 1948
(CLASSIFICATION)
UNCLASSIFIED
AIR INTELLIGENCE INFORMATION REPORT
FROM (Agency) Hq, NADF, Hamilton AFB
Hamilton, Calif
REPORT NO. 1R-1-53W
PAGE 3 OF 4 PAGES

when it seemed to slow down to a stop but that he seriously doubted it). The 360° turns were said to be very tight turns, about one-eighth (1/6th) of area required for jet aircraft.

Trails or Exhaust: None observed.
Propulsion System: Not reported.
Number of Objects: One (1)
Manner of Disappearance: Object rose vertically and disappeared from view to the northwest.
Other Pertinent or Unusual Featu…

AF FORM 112—PART II
APPROVED 1 JUNE 1948
(CLASSIFICATION)
UNCLASSIFIED
AIR INTELLIGENCE INFORMATION REPORT
|  FROM (Agency) | Hq, WADF, Hamilton AFB Hamilton, Calif  |
| --- | --- |
|  REPORT NO. | IM-1-53W  |
|  PAGE | 4 OF 4 PAGES  |

Official Weather Report - Hamilton Weather Station: Weather in Hamilton and Sonoma Area: Clear, visibility 10 miles with winds from the east at 7 knots.

7. Negative.
8. Negative.
9. Negative.
10. Location of Air Traffic in General Area at Time of Sighting:
No other air traffic in area at time of sighting.

Percy A. Haug
PERCY A. HAUG
Captain, USAF
Chief, Opera…

UNCLASSIFIED
S.K. 70
Sonoma, California
10 January 1953

I. Description of Incident
At 2345 S two civilian sources observed one small flying object moving at a great rate of speed and performing violent maneuvers. The object's sound was similar to that of a jet aircraft. The object made three 360° right turns in nine seconds then performed abrupt 90° turns first to the right, then to the left. The object then stopped, accelerated to its former speed, rose vertically and disappeared.

II. Discussion of Incident
The only known aerial object capable of appearing to go through the described maneuv…