17.55N 57.40W (San Juan, Puerto Rico), March 1963March 1963

Insufficient Data

Summary

On March 18, 1963 (about 9:48 p.m. local time on the 19th by Greenwich time), the crew of the ship SS Plainsman in the Atlantic Ocean near Puerto Rico reported an unknown object that exploded in the sky. The position was about 17.55 degrees north, 57.40 degrees west.

The crew reported a further explosion when the object struck the water. The ship began searching the area but reported no additional information.

The report reached the Coast Guard at San Juan. The Air Force, in its Project 10073 record, noted that the results of the search were not received and that there was no evaluation. The case was listed as insufficient data for analysis.

Reported location

17.55N 57.40W (San Juan, Puerto Rico), March 1963

Date of incident

March 1963

State / country

? / XX

Page count

2 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 47

Original case file scans

Original case file · scanned by NARAPage 1 of 2

View transcribed text

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E
1 jis PROJECT 10073 RECORD CARD |
9 1. DATE 2. LOCATION 12. CONCLUSIONS
a (San Juan, |O Was Balloon
18 March 1963 17.99N 57 40W_Paerto Rical® Probably Balloon |
: Lr eh ed oe Dee an EIR EP SR BUR PUL A SAIS AL ve A ALL Possibly Balloon
[ 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION
x O Was Aircraft
4 Local —_— RXGround- Visual O Ground-Radar O Probably Aircraft
§ GMT 19/01402 O Air Visuel O Air-Intercept Radar O Possibly Aircraft
on Ee —— A ———
. 5. PHOTOS é. SOURCE 0 Was Astronomical
; a Yes MERINT rpt to Coast Guard |B Probably Astronomical
| ; B¥o fm SS Plains D Possibly Astronomical
: 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE Eh Ope piketaiiie Sik hts ital i
o Insufficient Dato for Evaluation

O Unknown

EE co gebteponten. lo ome 0) fell into w
10. BRIEF SUMMARY OF SIGHTING ie COMMENTS ;

: Unknown obj exploded in sky. Addi- | Results of search not received,
tional explosion of obj on striking | No evaluation, Insufficient data
vater., Reporting vessel searching for amaiysis,
area, No additional information
received,

ATIC FORM 329 (RKV 26 SEP 52)

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Source: National Archives Catalog · NAID 29000443