PROJECT 10073 RECORD CARD 2. LOCATION \2. CONCLUSIONS 0 Was Balloon 0 P robably Balloon 0 Po s si bl y Balloon 3. OATETIME GROUP 4. 'l'YPE OF OBSERVATION PtJ'< Was Airc raft 0 Probably Aircraft I- 5.---P.HOTOS 6. SOURCE 0 Was Astronomi col l'J)Ground-Vi s u o l 0 GroundRador 0 Yes 0 Probably Astronomical 0 Possibly A5tranomicol ~No Civilian GOC 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE 0 0 Insufficient Data for Evolufltion 8-10 minutes 10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS One red, flashing light seems to come out of nowhere after a multi engine a/c passes overhead and mova in a straight line toward the NW. Definitely idgntified as an United Airlines Flight a/c with a red, rotating b eacon attached to the tail structure ATlC FORM 329 (REV 2 6 SEP 52) Ait~ T:~Ciii .. ~IC;\L r.~ ~I AYED I"I.Jt..OI 1\il r, \.f TO ~f'-tr CAL I FORI~ I A, 8 . l: EGATI \I, 9 , NF.GATIV~. S I GriT! D THI :; UFOB INDEX CARD 2. LOCATION CONCLUSIONS 4. TYPE OF OBSERVATION 0 Was Balloon Probably Balloon D Possibly Balloon 3. DATETIME GROUP GMT. 2"J/o6 JOZ April '1952 5. PHJJTOS J Ground Vi suol 0 Air-Visual Ci villan ( OOC) 0 Ground-Radar 0 Air-Intercept Radar Was Aircraft Probably Ai rcrof t Possibly Aircraft 0 Was Astronomical 0 Probably Astronomical D Po ssi bl y Astronomic al 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE One (1) North-West 0 Insufficient Data for Evaluation tO. BRIEF SUMMARY OF SIGHTING One (l) ng light aee:ns to come out of nmdlent atter a mul t1-eng1ne a/ o pas~es and mot~a in a straight line toward A ISOP Form 5 (15 Oct 5 .. ) 11. COMMENTS DeiH.nitel;r identi.fied as an United A'lrllnes Flight 3/ c wi t.h a red, rotati.n beacon attached to .the tail structure. arrrr~-~ I