PROJECT 10073 RECORD CARD 2. LOCATION J. OATETIME GROUP 4. TYPE OF OBSERVATION 0 G1ound-Visual 0 Air-Visual I .s. PHOTOS 6 . SOURCE 7. LENGTH 0,. O&SERYATIOH , 8. NUMaER 01" O BJ ECTS !lRIP' SUW..AAY 0,. SIGHTING -~-r'lJ~c- nan Jro~=~ raJ . 0Jj J -:br:~c!.y stopp~cJ ar.o then .~r.ur.~c.J o :GoundRodor 11. COMMENTS CONC:..USIONS Was Balloon Probably Boli-n 0 Possibly Balloon 0 Was Aircraft 0 Probably Aircraft 0 Po ssi !,I y Ai rcrah 0 Wat AtronomicaJ 0 Probably Ast~no101icol 0 Po uo bl y Att~no101lco& 0 Insuffic ient Ocrto for Evaluation 0 Unlcno.n tha opini0n that 1:his ~iglL-n-. cau~c:d 'l : Lempero.<.u.r_ tnV\:rs -:.on T f C i..LO~: I DISPOSJTJON FORM SECURITY CLASS lFlC.\TlOH (1! any) fiLE NO. SUBJECT Radar UFO Re:)ort A5'CD1-UE1 FROM AFCIN-US4 DATE 1 Au g 57 COMMENT NO. 1 AFCI~!-4E4/Cap~ G .'1' . Gregory/vp 1 . In accordance with established ATIC policies for t he study and appraisal of UFO radar sightings, request your re'riew and analysis of the incident in attached teletype report, by comment hereon. 2 . To possibly assist you in this r:lB.tter , the following pertinent items are made a matter of note: Video was turned object remained off for one complete on the scone S;.Teep -but Area in which object disappeared (195 miles, 66 degrees f rom radar) is i n the Bryce Canyon Area, Utah . This area has a miE and a CAA station. The electronics equipment of the latter is unlmown. (See U.s. Aero Chart No. 362) The line -olot from the radar station to the first "turn-off point" ( 6o degrees) and the point of disappearance (66 degrees) generally parallels a traffic airway (No. V -8), used by both civil and military air- craft. This offic e i s not qualified to comment whether certain aircraft electronics equipment, such a s EC}! devices, could have some bearing on t he rr..a tter d, A check n~th weather units in the a rea indicate that there was a conditionally unstable lo~-pres3ure frontal area, with broken cumulus activity up to 12,000 feet. Chief, Air Sciences Division FF~:";o 9 6 acruc:u 1uu fORM t6, 1 ocT. WHICH MAY att usco dar UFO nepor~ 1. t~ check o~ perso!'..n.el fao;l!o.r ..rita t~e . .J.tj:'-'5-3.-. radar _r..dico.t.es t.aat it is possible to turn off t~e radar video d co~t.i~ae to dl~plar IF r~tur~s. The e~rtreree speed of ~be alleged ~ar~et. eli a~es the pos3~bility teat U. S . aircraft bavi~ Ij~ installed. 3. Hormally t~e reflect.ion f rom toe target aircraft is obser1ed, altbougb ,.,elle.:-t.han the IFF returns. 4 . This appears to be no 3a~isfa.ctory explanation, ~ot.her case of a rada r sighting f or which there is due to lack of sufficient. dat.a. Colonel, U3..-L"