Belmont, CaliforniaDecember 1957

Insufficient Data

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Belmont, California in December 1957. The full case file (6 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 31.

Reported location

Belmont, California

Date of incident

December 1957

State / country

CA / US

Page count

6 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 31

Original case file scans

Original case file · scanned by NARAPage 1 of 6

Transcribed text

| ] . »
1 ; PROJECT 10073 RECORD CARD :
E17. pate 2. LOCATION 12. CONCLUSIONS ; :
E | O Was Balloon
& 8 December 1957 Belmont, California O Probably Bolloon
| 3 DATE-TINE OROUP 4. TYPE OF OBSERVATION dt dL TE
Yd SE DE RO a DUI XX Ground-Visuol 0 Ground-Radar 8d a
GMT 09/ 03292 O Air Visual 0 Air-Intercept Radar QO Possibly Aircraft
5. PHOTOS . DO Was Astronomical
3 0 Yes O Probably Astronomical
0. XX No Civilian O Possibly Astronomical
i | 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE BOWER mesa Ge 0G
O Insufficient Data for Evaluation
5-10 minutes one East ade ld
10, BRIEP SUMMARY OF SIGHTING 11. COMMENTS |
§ |One object aircraft shaped and aircraft|Very little information but pro- |
size, color pinkish, Approx 5000 ft bably aircraft, Note: Object seen
& |altitude, at dusk accounts for pinkish color
1 > |
4 ATIC FORM 329 (REV 26 SEP 32) !
; R 4 ; ; . .
fi ARES a RRR Ae ER Be as : g eo :

/ 6

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Source: National Archives Catalog · NAID 28975927

Connected across the archive

Places

Belmont, CA California

Agencies

United States Air Force

Dates

1957 1957-12-01