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.

6200 MPH Target Hovers Near Grand Canyon
July 16, 1957
Las Vegas, Nevada to N. Arizona

Brad Sparks:
July 16, 1957; Las Vegas, Nevada/N Arizona (BBU)
1:56-1:58 p.m. (MST). USAF ADC radar station 865th ACWRON, Las Vegas AFS, Angel Peak, Nevada, Senior Director 1st Lt. Clifford E. Pocock, scope operator A/2c Walter Lyons, and control technician A/1c Armand Therrien, using the FPS-3A L-band search radar tracked an inbound target at average speed of about 6,200 mph for 48 secs [?] when it "stopped abruptly" and "remained stationary" for 12 secs to the ENE at 75° azimuth 85 miles range, N of Grand Canyon, then target headed outbound at about 7,000 mph on 85° heading over the last 72 secs before disappearing at the radar's maximum range at 81° azimuth 224 miles range (near Marble Canyon, Ariz.). Target responded to encrypted military IFF transponder signals and transmitted encrypted responses. Similar occurrence 2 days earlier noted by night crew but none others in years. (Jan Aldrich)
Detailed reports and documents
reports/570716lasvegas_rep.htm (Dan Wilson)

NICAP Home Page