Mig-21 BISON
In 1961, the Indian Air Force (IAF) opted to purchase the MiG-21 over several other Western competitors because the Soviet Union offered India full transfer of technology and rights for local assembly. In 1964, the MiG-21 became the first supersonic fighter jet to enter service with the IAF. Due to limited induction numbers and lack of pilot training, the IAF MiG-21 played a limited role in the Indo-Pakistani War of 1965. However, the IAF gained valuable experience while operating the MiG-21 for defensive sorties during the war.The positive feedback from IAF pilots during the 1965 war prompted India to place more orders for the fighter jet and also invest heavily in building the MiG-21's maintenance infrastructure and pilot training programs. By 1969, India had acquired more than 120 MiG-21s from the Soviet Union.
Improvents on the baseline Mig-21 to make the bison :
multifunctional coherent Doppler-pulse airborne radar "Kopyo" with slot antenna
onboard digital computer
helmet-mounted target designato
double screen (HUD and CRT) display system
stores management system
inertial navigation system
air data computer system, digital
short range radio navigation system
onboard radio command receiving equipmen
new flare dispenser (26 mm 120 rounds)
new electric power supply system, controlling and recording system
Sextant's TOTEM RLG-INS with NSS-100P GPS embedded GPS receivers
El-Op HUD, infrared search and track system (IRST) from Russia's URALs optical-mechanical plant
two Sextant MFD-55 LCD displays
autopilot
radar warning receivers (RWR)
new liquid air cooling system
HOTAS controls
It has a mix of French, Israeli, Indian and Russian aveonics equipment.(like the MKI). It is claimed that the fighters are equivalent to any 4th Generation fighter, with the ability to lock on to 8 different targets at once.
It's weaponry includes the not so commonly seen seeker module of the KAB-500Kr TV guided bomb, R-73and an R-77 BVRAAM carried underwing.
The aircraft's sophisticated EW suite comprises of a DRDO Tarang RWR/RHAWS, "Tempest" internal Self-protection jammer (SPJ) and the conformal CMDS.
Other features include a
SURA HMS, a semi-glass cockpit and a Sextant Totem-3000 Ring laser gyro nav. system with GPS, to mention a few. Note the conformal countermeasure dispensers, the new Tarang RWR's antennae on the tailfin and the single piece windshield.
The Indian Air Force (IAF) is now adding stealth modifications to an existing $340m programme to upgrade 125 of its MiG-21bis fighters to MiG-21-93 standard. Sources for Jane's Defence Weekly have revealed these secret events in a report published in today's edition of the magazine.Extensive tests to demonstrate Russia's ability to upgrade Indian fighter aircraft with stealth capabilities took place in front of Indian defence ministry officials at the Sokol aircraft plant in Nizhniy Novgorod on 29th May 2000. The demonstration was highly successful and is understood to have resulted in the Russian government and RSK MIG urging the IAF to adopt the stealth modifications across its MiG-21-93 fleet.The core of the demonstration saw two MiG-21bis--one upgraded with stealth technology and one without--being tracked by what is believed to be a Mig-31 in a controlled test of radar-absorbent materials (RAM) and coatings developed at the Moscow Institute of Applied and Theoretical Electrodynamics.During its flight the radar signature of the upgraded Mig-21bis was shown to be between 10 and 15 times weaker than the regular MiG-21bis
INDIAN AIRFORCE MIG 21 Fighter KILLS versus PAKISTAN AIRFORCE
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1971-12-04 Flt Lt Manbir Singh PAF Sabre F6
1971-12-06 Flt Lt Samar Bikram Shah PAF F-6
1971-12-06 Unknown Pilot PAF CC-130
1971-12-11 Unknown Pilot PAF F-6
1971-12-12 Flt Lt Bharat Bhusan Soni PAF F-104A
1971-12-12 Flt Lt Niraj Kukreja PAF PAF F-104A
1971-12-12 Flt Lt Iqbal Singh Bindra PAF F-104A
1971-12-16 Flt Lt Samar Bikram Shah PAF F-6
1971-12-17 Flt Lt A K Datta PAF 104-A
1971-12-17 Flt Lt Samar Bikram Shah PAF 104-A
1999-08-10 Flt Lt P K Bundela PAF BR 1150 Atlantic
MIG 21 used for heavy bombarding During Kargil War in 1999
2019-1-27 Mig-21 BISON Wing Commander Abhinandan PAF F-16 Block 50/52