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The radar lacked look-down/shoot-down capabilities (though this was not at all a common feature of radar systems at the time), meaning that it couldn't intercept targets that were flying under the MiG-21, because the radar system was unable to filter out "ground clutter" return. Another disadvantage of the new radar (and other avionics) was the ...
The MiG-21 jet fighter was a continuation of Soviet jet fighters, starting with the subsonic MiG-15 and MiG-17, and the supersonic MiG-19.A number of experimental Mach 2 Soviet designs were based on nose intakes with either swept-back wings, such as the Sukhoi Su-7, or tailed deltas, of which the MiG-21 would be the most successful.
Only the initial version of the J-7 was a copy of a MiG-21 variant, namely the MiG-21F-13. Though an agreement had been reached between China and the USSR for licence production of the MiG-21 in China, political relations soured between the two countries, causing Soviet assistance to stop. The Chinese reverse-engineered parts of the handful of ...
Very soon after arrival over the Sea of Japan, at 10:35, North Korea reacted to the presence of the EC-121, but not in a way that would jeopardize the mission. [5] At 12:34 local time, roughly six hours into the mission, the Army Security Agency and radars in Korea detected the takeoff of two North Korean Air Force MiG-21s from East Tongchong-ni [6] near Wonsan and tracked them, assuming that ...
MiG-21 LancerR-C: MiG-21 LanceR-C is the air defense version of the MiG-21 LanceR series, [76] [77] with maiden flight on November 6, 1996. [76] Equipped with EL/M-2032 airborne fire control radar, this model has two MFDs on its flight instrument.
Grifo-7 series is the smallest multifunctional fire control radar of Grifo family, and this series is designed for J-7/F-7 or MiG-21 upgrades, with over a hundred sold. Grifo-7: Weighing 55 kg, Grifo-7 mono-pulse radar is developed from the experience of P2801 Grifo-ASV/Griffetto, and is designed to be fitted into the nose cone of J-7/F-7/MiG-21.
Spin Scan – The RP-21 Sapfir (sapphire) radar set featured in the MiG-21; Spin Trough – Navigational radar [1] Square Head – Identification friend or foe antenna [1] Square Pair – fire control radar of the SA-5 system; Square Tie – surface search radar for small combatants and cruise missile target designation. [1] Chinese type 352. [2]
Very little MiG-21 activity is known of from the time of the NATO bombardment, though a MiG-21 is credited with the downing of a BGM-109 Tomahawk cruise missile on March 24, 1999. [65] Further, Serbian and other sources claim that Yugoslav MiG-21s destroyed three Albanian J-7s , [ 65 ] but none of these is believed to be a valid claim, as only ...