Sunday, July 3, 2011

Zaslon Radar

The Zaslon radar is a multi-mode phased-array radar used on the Russian MiG-31 fighter aircraft. It was designed and developed by the Tikhomirov Scientific Research Institute of Instrument between 1975 and 1980. The Zaslon has the NATO codename Flash Dance. The passive electronically scanned array (PESA) antenna of the Zaslon is actually a multi-channel system comprising two separate electronically controlled arrays, an X-band radar with 1700 emitters and a L-band transponder with 64 emitters brought together into a single antenna. The Zaslon had a 200km search range versus bombers and is capable of detecting targets as small as 0.3 sq. m radar cross-section (RCS) to a maximum range of 65 km. The radar scan limits are +-70 azimuth, +70/-60 elevation. The Zaslon was the first phased-array radar installed in jet fighter aircraft. It uses an Argon-15A computer.