Sukhoi Su-30MKI global positioning system and ring laser gyroscope inertial navigation system. Phase 3 of further development of the MKI, will integrate avionic systems being developed for the Indo-Russian Fifth Generation Fighter Aircraft programme. Sukhoi Su-30MKI has electronic counter-measure systems. The RWR system is of Indian design, developed by India's DRDO, called "Tarang", ("Wave" in English). It has direction finding capability and is known to have a programmable threat library. The RWR is derived from work done on an earlier system for India's MiG-23BNs known as the Tranquil, which is now superseded by the more advanced Tarang series. Elta EL/M-8222 a self-protection
Sukhoi Su-30MKI demonstrator and Su-30 program, being more advanced than the Su-30MK and the Chinese Su-30MKK/MK2. Russia's Defence Ministry was impressed with the type's performance envelope and ordered 30 Su-30SMs, a localised Su-30MKI, for the Russian Air Force. It features state of the art avionics developed by Russia, India and Israel for display, navigation, targeting and electronic warfare; France and South Africa provided other avionics. After two years of evaluation and negotiations, on 30 November 1996, India signed a US$1.462 billion deal with Sukhoi for 50 Russian-produced Su-30MKIs in five batches. The first batch were eight Su-30MKs, the basic version of Su-30.