DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE
PROJECT BLUE BOOK
UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE6964166
DATE OF SIGHTINGMay 1955
REPORTED LOCATIONSacramento California
FRAMES4
Machine transcription · mean legibility 86.3/100 ·
engines: paddle-gpu-200dpi
Transcribed Frames
FRAME 001 / 004paddle-gpu-200dpi
UFCB INDEX CARD
DATE 2. LOCATION 12. CONCLUSIONS
2 11 ay 1955 Sacramento, Tormia
28 Was Balloon
0$ Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION Possibly Balloon
Local KGround-Visual Ground-Radar 0 Was Aircraft
0 Probably Aircraft
GMT. 29/0330 2 May 55 29/0330 Z May 55 - Air-Visual AirVisual Air-Intercept Radar □ 0 Possibly Aircraft
5. PHOTOS 6. SOURCE SOURCE 0 Was Astronomical
Yes 0 Probably Astronomical
No Civilian Civilian Possibly Astronomical
7. LENGTH OF OBSERVATION 7. LENGTH OF OBSERVATION |8. 8. NUMBER OF OBJECTS 9. COURSE 0 Other Other
5-10 seconds one1) fading away from 00 00 Insufficient Data for Evaluation Insufficient Data for Evaluation
Unknown
view
10. BRIEF SUMMARY OF SIGHTING SIGHTING 11. COMMENTS COMMENTS
4
One (ld silver object, possible spherical,. One (ld silver object, possible spherical, . Due to the brevity of ad ghting and
approximately the size of a permy held at arm's approximately the size of a permy held at arn's the delay in the receipt of the
length was observed to fly directly away preliminary report at this Head- preliminary report at this Head-
from the observer at what was estimated a quarters and the improbability of
speed much greater than that of a conventional furtyer investigation uncovering
Jet. new significant information, no
follow-ip investigation was author-
ized.
AISOP Form 5 (15 Oct 54) 6-0D-66+59.190
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IN 1 (
Multi INFORMATION
-2 Ju.1653 07 32 1'5 0 35
P123. Y10191 N073 M21782L/55 -
TUIEM IMPAO EOENP IUPM
PJUPJL 38 2ATIA
51019.2 o
T COMIL MATEE FLD CALIF
TO TJELEN'ALC EIT AFB COLO SPTIG 4file
AJUPAS ETN AIN LIV CIRF) NOCLEILAY AFE CALIF -
JEIP COMER AIR TECH IRTAL CRIIEH NRIONT PATTEISON AFS ONIO TTATSHE COE
JEPHO COFO USAF VASHILCTON CS I O
1 1
OSM. UFOB. IA PAT 7 AFR COS-, KS AUC SL, THE FOL UTOP RUPT IS SDY. JSM. UFOB. IA PAP 7 AFR OOS-2, 1S AUC SA, THE FOL UTOP RIPT IS SD.
. EESCPIPTION: A. CIRCULAR, POSSIDLY SPIEICAL. R. PEHIY AT ARYS • DESCPIPTION: A. CIRCULAR, POSSIDLY SRMEICAL. P. PEHIY AT ARYS (
INGTH. C. SIIVERY BHITE. I. ONE. M. NA. F. MRSATIVE. C. ISOATIVP. NGTH. C. SIIVERY BHITE. I. ONE. I. NA. F. MRSATIVE. C. ISOATIVT.
. NECATIVE. J. NEGATIVE. 2. DESCRIPTION OF COURSEA. RUNALE . MECATIVE. I. MEGATIVE. 2. LESCHIPTION OF COURSEA. RUNBLE SOURD SOUND
COUTH OF OBSR. B. 36 DEGPEES EIEVATION. C. 3S DEGNEES COUTH OF OBSR. B. 3S DEGPEES E ELEVATION. C. 3S DEGREES ELEVATION. ELEVATION.
1. STRAIGNT LINE FROM SOUTH TO NONTH, LEVEL FIT, ANGLE OF ELEVATION (
APRX 75 DEGREES OPPOSITE OSSR. ESTIWATED ALT 1O, OEO FT USL, CREATEN
PD THAN JET AOFT. E. FADED FRO SIGNT. F. MAX TEY SECONDS. 3.
LAMER OF OBSEIVATION: A. CND-VIS. B. MECATIVE. C. MA. 4.
FID AUD DATE OF SICHTING: A. 2OOSSOZ MAY 55.
CE TIO OF TJIPIL S
FRAME 003 / 004paddle-gpu-200dpi
.44 TEMEWATUSHA,
CALIN. VIFE AND S VEAN OLD COB ALSO ODSXPVEIS. 3. PVA. 7. WNA ANI
IINDS ALOVP. A. CAVU LT GNE DLESE.
. SINS POR KANO, MEVE
,595 7T -IS5 AT I ITT
05F1-3 M :5 T5
' 21-23 AT 15 1TS
600 FT-30 AT 25 ITS
225 F1 -25 A1 3 T8
6,060 F1-225 AT 35 1T3 ¸
. CHILING-IEGATIVN. 1. VIS 15 PLUS. 3. CLOUE COVM 19, 3S6 SOATTETED. C
A. MECATIVE. S. AEGATIVE, 9. MA. 1. ODST TICITED FIT OF FOUR
ECIPROCATING EKC ACFT I ATEA TIO HOUTS PREV TO VFOD ODSENVATION. OS ODSEAVATION. (
EI. PREPARING CFFICEN: LT COL DONALD E. DEFFYE, OPERATIONS OFFICET, by "t01
EI. PIEPARING OFFICEN: LT COL. DONALD E. DEFFIE, OPETATIONS OFFICET,
3535 AIIODSITNAWG. COWDR GSETH ACNY SD, MATHER AFS, NAS IO 3535 AIIODSITIA WG. COUDR GSSTH ACOY SQ, MATHEN AFE, NAS 1O
MOILSIGE OF SIILAN UTOD HGPONTS OF THAT IATE. O3ST APPSARRE MNOTLSIGE OF CIILAN UFOD MGPONTS OF THAT DATE. OBST APPSARI TO TO D.
INTSLLIGEIT, CONSCIENTIOUS AND FELIABLE. MEGATIVE ANVALYSIS OF INTELLIGENT, CONSCIEITIOUS AND FELIABLE. MEGATIVE ANVALYSIS OF
POSSISLE CAUSE OF SICNTINSS. 1E. NEGATIVE. FOR COS USAF POSSIOIE CAUSE OF SIOHTINSS. 1E. NEGATIVE. FOR COS USAF ONLY. ATTY
INTELLIGENCE. INTELLIGENCE.
PT
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-
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1
JUNE 1955 SIGHTINGS
DATE LOCATION OBSERVER EVALUATION
Sumner Woodside, California Aircreft
June Kennewick, Washington Other (UNRELLABLE RPP)
1 Cape St. George, Newfoundland Multiple Other (METEOR)
Harrisburg, Fennsylvania Other (HALLUCIMATION)
HH Cleveland, Ohio Fallcon
Euclid, Chio (CASE MISSING) Civilian Balloon
Steelton, Pennsylvania Aireraft
Parker, Arizona Astro (JUPITER)
Camp San Luis Obispo, California Insufficient Data
Santa Margarita, California Insufficient Data
Chitose AB, Japan Military Astro(VENUS
Paine Field, Vashington Aircraft
3-8 Jul Fontana, California Other (GROUNDLIGHTS)
9 Warner Springs, California Ealloon
9 San Diego, California Falloon
10 Cntario, California Insufficient Data
14 14 Bryan AFB, Texas Dryai Frs, lexas Military Balloon
15 Minneapolis, Minnesota
Topeka, Kansas Astro (METEOR)
15 Anita, IOwa (CASE MISSING) Anita, IOwa (CASE MISSING) Civilian Insufficient Data Insufricient Data
15 15 Ne Springfield, Missouri. Tiger Airlines Astro METEOR
16 Baltimore, Maryland Baltimore, Maryland Insufficient Data
17 17 Riverside, California Insufficient Data
17 Altadena, California Ealloon
20 Dallas, Texas Dallas, Texas Multiple Multiple Aircraft Aircraft
21 Glenavon, California Glenavon, California Aircreft
21 Santa Earbara, California Balloon
22 Foulsbo, Washington Ealloons Falloons
22 Chuckanut Pay, Washington Other (Submarine) 1a
22 Springfield, Missouri Aircraft
22 Bethesda, Maryland Aircraft
23 Camp Pon-Tok, Maryland Aircraft
Duncan, Oklahoma Astro (METEOR)
Hillcrest Heights, Maryland Military Balloon
Ft Worth, Texas Balloon
26 Holt, Florida Other (UNRELIABLE RPT)
26 Santa Maria, California Balloon
27 Milford, Michigan Aircraft
27 Seattle, Washington Insufficient Data
30 Pantelleria Island;.Mediterranean Dutch Tanker "Gadila" Insufficient Data
ADDITIONAL EPORTED SIGHTINGS (NOT CASES)
DATE LOCATION EVALUATION
2
Sunner Kankakee, Illinois Other (OLD D REPORT)
Sunner Hamburg, Germany (IApA) Photo of 6 objects
15 Adelaide, Australia (Stringfield)