Colonnial Hill, PennsylvaniaAugust 1956

Unidentified

Summary

On August 13, 1956, at dusk near Colonial Hill, Pennsylvania, a civilian observer reported five black objects flying together about the size of birds. The objects moved west, then east, and then disappeared to the north. The sighting lasted about 60 seconds. The observer used binoculars to watch the objects. No sound was heard. The Air Force evaluated the sighting as unidentified. The objects were described as black and moving in formation. The evaluation noted that the size, color, formation, manner of disappearance, and course of the objects indicated the probable identification as birds.

Reported location

Colonnial Hill, Pennsylvania

Date of incident

August 1956

State / country

PA / US

Page count

3 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 26

Original case file scans

Original case file · scanned by NARAPage 1 of 3

View transcribed text

PROJECT 10073 RECORD CARD

1. DATE
13 August 1956

2. LOCATION
Colonial Hill, Pennsylvania

3. DATE-TIME GROUP
Local
GMT. 15/2335Z

5. PHOTOS
Yes
No

7. LENGTH OF OBSERVATION
60 seconds

12. CONCLUSIONS
Was Balloon
Probably Balloon
Possibly Balloon
Was Aircraft
Probably Aircraft
Possibly Aircraft
Was Astronomical
Probably Astronomical
Possibly Astronomical
Other-Probably Birds
Insufficient Date for Evaluation
Unknown

4. TYPE OF OBSERVATION
X3 Ground-Visual
Ground-Radar
Air-Visual
Air-Intercept Radar

6. SOURCE
Civilian

8. NUMBER OF OBJECTS
five

9. COURSE
West, East, North

10. BRIEF SUMMARY OF SIGHTING
Five black objects, all in one flight, about the size of birds. Objects headed east, then west, and disappeared in north by fading out of sight. No sound was noticed. Objects observed through binoculars for six seconds.

11. COMMENTS
Size, color, formation, manner of disappearance, and course of objects observed indicate the probability of birds. Evaluation of this case: probably birds.

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Source: National Archives Catalog · NAID 28966959