RADCAT Case Directory
  Category 9, RADAR  
Rating: 5  


RADCAT is a revitalized special project now being conducted jointly by NICAP & Project 1947 with the help and cooperation of the original compiler of RADCAT, Martin Shough, to create a comprehensive listing of radar cases with detailed documentation from all previous catalogues, including UFOCAT and original RADCAT.

Sharp Radar Returns at 4000 Knots
Nov. 7, 1961
Arlington Heights, Illinois

Brad Sparks:
Nov. 7, 1961; Arlington Heights, Illinois (BBU)
(McDonald list)
Dan Wilson:
Nov. 7, 1961; Arlington Heights, Illinois  
At 1:55 a.m. local time, several employees of the Martin Company and Army personnel observed three unusual radar returns on the long range radar. Three objects were observed approaching the Chicago area from ESE with 30 second separation at speeds in excess of 4000 knots. The radar return was very sharp. An attempt was made to determine the altitude of the objects but their speed was beyond the capability of the equipment.  After the sightings the equipment was tested and found to be in perfect operating order.  (Dan Wilson)

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