RADCAT Case Directory
  Category 9, RADAR
 Preliminary 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.

Radar/Visual At Lincoln AFB
February 13, 1957
Lincoln AFB, Nebraska

Brad Sparks:
Feb. 13, 1957; Lincoln AFB, Nebraska
2:30 a.m. USAF Director of Operations and 3 tower controllers at 2 radar sites, the GCA and NCOIC, tracked several targets flying behind an airliner at a distance of 5-6 miles traveling 2x as fast. No IFF response. Objects could hover and move at high speed, one split into 2 objects, another did 180° turn. Blips the size of a B­47. (Hynek UFO Exp chg. 7, case RV-7) 3-5 mins [25 min]?

Dr. J. Allen Hynek:

On February 13, 1957, a challenging Radar-Visual case occurred at Lincoln Air Force Base in Nebraska. The Blue Book summary reads: Objects were visually observed by three control tower operators and by the Director of Operations, who was in town to supervise a wing mission. Objects were also observed on radar by the Non Commissioned Officer in Charge (NCOIC) of the control tower and the Ground Controlled Approach (GCA) operations (two separate radar installations). The objects were observed for a period of three to five minutes. The individual objects were about five to six miles behind an airliner and moving twice as fast. . . . One of the objects broke in two and another made a 180-degree turn. All objects were interrogated by Identification Friend or Foe (IFF) with no response. Visual estimation of the size of the objects was impossible, but the radar operator stated that the blip on his scope was about the same size as that received from a B-47. The objects appeared to stand still and then speed up and rush away. Blue Book, applying its standard theorem, evaluated the sighting as "probable balloon" and "probable aircraft." (Source: The UFO Experience: A Scientific Inquiry, Dr. J. Allen Hynek)

Detailed reports and documents
docs/570213lincolnAFBdocs.pdf (Dan Wilson)
Commentary: 570213lincolnAFB_wilson.htm (Dan Wilson)

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