N Of Puerto Rico, May 1958May 1958

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 N Of Puerto Rico, May 1958 in May 1958. The full case file (4 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 33.

Reported location

N Of Puerto Rico, May 1958

Date of incident

May 1958

State / country

? / XX

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 33

Original case file scans

Original case file · scanned by NARAPage 1 of 4

Transcribed text

§. ; ede db TA TE PNT STIR RNS 0 1 AIA RNIA AH FRYE 0 2 PORT
Ri PROJECT 10073 RECORD CARD Lisle
1. DATE 2. LOCATION 12. CONCLUSIONS
. ? O Was Balloon |

29 May 58 N of Puerto Rico O Probably Balloon |

3. DATE-TIME GROUP 4 TYPE OF OBSERVATION NTMI — | :
Local | xB Ground-Visual O Ground-Radar - Probably Air Gal J
GMT 209/07597 XE Air Visual O Air-Intercept Rader |O Possibly Aireraft | 1

5. PHOTOS - SOURCE XLQX Was Astronomical MNetoor :

: O Yes QO Probably Astronomical }

\IXNe ; Civilian Pilots O Possibly Astronomical

7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE 0 OM iiniisiisain . i

O Insufficient Dato for Evaluation] |

1 3 0 Unknown :

15 to w Beconds one ESE 4

10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS. :

(Yellow trail of light, appeared as Probably meteor. |
meteoric, descending very rapidly ESE. |
ATIC FORM 329 (REV 26 SEP 52) 5
IE 4
. : ° 2 .
; : HG a,
7 TE a Aa SE plies J

/ 4

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Source: National Archives Catalog · NAID 28978356

Connected across the archive

Agencies

United States Air Force

Dates

1958 1958-05-01