5mi SWEffingham reported close encounter — September 1950

On or during September 1950, at or near 5mi SWEffingham, Illinois, United States, the source reports the following sequence: SOURCE Civilian Pilot DATE IN TO ATIC - - - COLOR Dull Red SPEED - - - ALTITUDE - - - LENGTH OF TIME OBSERVED - - - TYPE OF OBSERVATION Aerial MANEUVERS A set of three lights was observed but before source could encircle some they disappeared. Air Force program that investigated unidentified flying objects (UFOs). UNCLASSIFIED TT-796-Am 19 December 1950 MC 16 XAX-IA REFERENCE CSAF ITEM 9 TT 7-13-A, 21 ON 20 OCT 50, UNIDENTIFIED FLYING OBJECT SIGHTED AT APPROX 2045 CST, 5 MILES SW EFFINGHAM. THIS OBJECT WAS OBSERVED FOR 10 MINUTES AND APPEARED TO BE ACCOMPANIED BY 4 SMALLER OBJECTS. UPON THEIR ARRIVAL OF THE INCIDENT REPORT, THE INCIDENT HAD PASSED AND NO TRACE OF IT COULD BE FOUND EVEN THOUGH THEY SEARCHED. "THE REPORTS STATE THAT THE INCIDENT APPEARED TO BE REVIEWED BY AMC." IN ANALYZING THE INCIDENT TOGETHER WITH ANALYSIS REPORTED BY AMC, THE FOLLOWING IS POINTED OUT: AT FIRST, THEY DID NOT CONSIDER CAUSALISTS, SUCH AS A METEOR OR OTHER HEAVENLY BODY, AS THEY CONSIDERED THEM DEFINITELY NOT CONSTITUTING CLASSIC CLASSICAL CELESTIAL VEHICLE FLIGHT. Air Force's official investigation of unidentified flying objects (UFOs). VIA INTERVIEW TO BE SECURED UPON AM UNIDENTIFIED OBJECT SIGHTED BY AT APPROXIMATELY 1930 - 1940 HOURS, 13 SEP 50. MR AND PASSENGER OBSERVED A SET OF THREE LIGHTS ON A COLLISION COURSE WITH THEIR PRIVATE AIRPLANE. MR HAD FLASHED HIS LANDING LIGHT SEVERAL TIMES. MR SAW THAT THERE WAS PLENTY OF CLEARANCE AND MADE A CLIMBING TURN TO THE LEFT TO SEE WHAT THE OBJECT WAS. BEFORE THE OBJECT COULD BE CIRCLED, THE LIGHTS DISAPPEARED. THEN TURNED ON COURSE TO THEIR HAULS.