OCR recovered text quality varies — view PDF for accurate reading. 12. CONCLUSIONS 1. DATE a y= 2. LOCATION 0 Wos Balloon 0 Probably Balloon SEE 0 Possibly Balloon 30 January 1963 Chicago, 1ino. | 3. DATE-TIME GROUP | 4. TYPE OF OBSERVATION GMT __ 31/ 00004 = ~— O AirVYisual 0 Air<Intercept Radar | 5. PHOTOS = 8. SOURCE TT Yes | BEX 7. LENGTH OF OBSERVATION £ Was Aircraft’ Probably Aircraft Possibly Aircraft | I | On Was Astronomical | Probably Astronomical Possibly Astronomical Ooo 0 Other ec 1 Insufficient Data tor Evaluation = : hs Unknown . 30 seconds one | maneuverablg to southwest 10. BRIEF SUMMARY OF SIGHTING 4 = | 11. COMMENTS | Black rectangular object with bright WX conditbns indicate possible light preceeding object, maneuvering a/c with landing light, Descrip- | | course at initial observation of tion of maneuvers, flight & | 80 dgr elevation to D then reappear- duration are consistent with this ing & heading SE in level flight turn-| analysis, Case evaluated as a/c, ing to SW where it disappeared at 30 dgr elevation, Total sighting time 30 seconds. Disappearance gradual, Object | high maneuverable. Visibility 7 miles | in light snow, Witness 12 year old, 8. NUMBER OF OBJECTS | 9. COURSE ooo Corr Ee ———— —