PROJECT 10073 RECORD CARD 2. LOCATION 12. CONCLUSIONS D Wea BoiiHft 12 October 1957 Philndolphia Airport Penn! a PreiHI~t, Bell" a w .. Alrcroft Vleu.t D Orou"~Re4 a Prelto~l, Alrcrolt a AI .. VI.t a Alr-lntore.,t Ro4or IIXPoaaiWJ Alrctoft D We Aatfono tl ... a Y a ProlteW, At,.nondc.a No D PoaiWJ Atro"o"'lc .. 7. LIIIOTM OP.OIIIIYATION L NUMIIIt 0, OIJICTI t. COUIII a OthM----------- IIIIP IUMMAitY OP Small very brilliant object dived . vertically from very high altitude, levelled off & disappeared south. Speed estimated bo l>e very great in relation to j e t in aroa. ATIC PO-129 (RIIV HaD 52) 0 Insufficient o ... r.r Eoluotion I 1. COMMINTS Very1imited information, but possible jet a/c over crowded' city & near large airport. No radar or other reports of any- thing unusual in area. ~jk--tt:(. I ~ I CZA r- T vTPBal9 YDA" TMA~ 11BT0 190NVOBEF A~W)6 PP .RJEPHQ RJEDv1 RJEDEN RJEPNB RBEPW RBE~K DE RBEFAN "2 FM NAS WILLOW GROVE TO RJEPHQ/DIRINTEL USAF RJEDtIP/AIRTECHINTELCEN vlPAFB ATTN ATIAA-2C RJEDEN/COMAIRDEF ENT AFB RJEPNB/COMNAVFOR EADF I NFO RBEPtT/DNI RBEGK/COMEASTSEAFRON ~AVY GRNC - FLYOBRPT X COMEASTSEAFROtJ I r<STRUCTION 3821l.2 REFERS X REPORTED .THIS ACTIVITY BY PHONE X I1AlJr'VEt~'( BR~ ~#~l:~r:T OB .. JECT DIVED VERTICALLY FROt1 VERY KHIGH ALTITUDE LEVELLED OFF A~D DISAPPEARED SOUTH X TWO VISUAL SIGHTINGS FROr GROUND/~y 1535Q X OBJECT ESTIMATED(OVER A D O E ~JI Tr\ESS AT 1523Q AND NORTH PHILADELPHIA Ai.rii;aRt aasERvEn ORTHEAST PHILA TWO f1ILES NORTH EST OF :1EATHER CAVU WIND AT 44S00 FT OR OTHER FACTS 13/ 4aZ OCT RBEFAN