Japan 3515N-1355OE, January 1951January 1951

Insufficient Data

Summary

On January 16, 1951, an unidentified object was sighted over Japan at coordinates 35 degrees 15 minutes north, 135 degrees 50 minutes east. The object was described as having a delta wing or arrow shape and was black in color. It was observed at an altitude of 40,000 feet and was heading 200 degrees. One object was reported. The time of observation was not recorded. No additional information was provided, though a follow-up report was expected. The Air Force evaluated the sighting as insufficient data to evaluate.

Reported location

Japan 3515N-1355OE, January 1951

Date of incident

January 1951

State / country

? / XX

Page count

2 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 8

Original case file scans

Original case file · scanned by NARAPage 1 of 2

View transcribed text

PROJECT 10073 RECORD CARD

1. DATE
16 Jan 51

2. LOCATION
Japan 3515W - 13550E

3. DATE-TIME GROUP
Loesl
GMT Not Reported

4. TYPE OF OBSERVATION
Nob reported
Ground-Visual [ ] Ground-Radar
Air-Visual [ ] Air-Intercept Radar

5. PHOTOS
Yes
No

6. SOURCE
unknown

7. LENGTH OF OBSERVATION
Not reported

8. NUMBER OF OBJECTS
one

9. COURSE
200 deg

10. BRIEF SUMMARY OF SIGHTING
Shape like a Delta Wing (Arrow shape). Color was black. Alt was 40,000. No more information. Supposedly more to follow, but nothing in file.

12. CONCLUSIONS
Was Balloon
Probably Balloon
Possibly Balloon
Was Aircraft
Probably Aircraft
Possibly Aircraft
Was Astronomical
Probably Astronomical
Possibly Astronomical
Insufficient Data
Insufficient Data for Evaluation
Unknown

11. COMMENTS
Insufficient Data to evaluate.

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Source: National Archives Catalog · NAID 28938928