Pittsburgh, PennsylvaniaDecember 1956

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Bla PROJECT 10073 RECORD CARD aT
4 oT EE eed aol raises sree sone me vaosarets emma ye ye pe ERE TEE =g
j 1. DATE 2. LOCATION 12. CONCLUSIONS
a 0 Ya s Balloon
. _2 December 1956 | Pittsburgh, Bennsylvanias— O Probably Balloon
1 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION Q  Rossibly baller)
] Local — —— XXGround- Visual O Ground-Radar a Besbolly Avera
1 GMT 03/ 0345%Z 0 Air Visual O Air-Intercept Radar DO Possibly Aircraft
FE 5. PHOTOS 6. SOURCE 0 Was Astronomical
. 0 Yes O Probably Astronomical
3 X%lo Civilian D Possibly Astronomicol
4 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE # om&rob ar
a e reutitetent Data for Evaluation
§ nknown
E 12-15 minutes one
id 10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS |
4 Observer reports pale gold line Area is heavily populated, Not
Bo (or light), perpendicular to earth, reported by others. Local GCI,
which would appear and disappear, Control towers, radar unit etc,
4 States clouds hindered full observa- | contacted. Nothing observed at
E tion, distance.
L 4 |
E ATIC FORM 329 (REV 26 SEP 52)
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