SOURCE: RAUNAK KUNDE / NEWS BEAT / IDRW.ORG
In discussion with idrw.org at Aero India 2025, DRDO (Defence Research and Development Organisation) officials have confirmed that the design phase for the Virupaksha Active Electronically Scanned Array (AESA) Radar for the Su-30MKI fighter jet has now been completed. The program is moving forward, with the next step being the commencement of sub-system realization. Once this phase is complete, the prototype of the radar will be manufactured, and testing will follow—initially starting with ground-level tests before progressing to in-flight trials.
The Virupaksha AESA Radar, designed specifically for the Su-30MKI, represents a significant technological leap for India’s fighter jet radar systems. One of the most exciting features of the radar is its use of Gallium Nitride (GaN)-based Transmit/Receive Modules (TRM). GaN technology is known for its superior efficiency, power handling, and thermal performance, making it an ideal choice for advanced radar systems.
The Virupaksha radar will be equipped with an impressive 950 mm diameter antenna, which is set to feature approximately 2400 T/R modules, all powered by the GaN-based power amplifier. This cutting-edge radar technology will enable the Su-30MKI to detect and track fighter-sized targets at ranges between 300-400 km, enhancing the aircraft’s situational awareness and strike capability. These attributes make the radar highly effective in contested environments, giving the Su-30MKI a tactical advantage in modern warfare scenarios.
The Virupaksha AESA Radar will play a crucial role in the upgrade of the 84 Super-30 configuration jets that are set to be modernized by Hindustan Aeronautics Limited (HAL) under the Su-30MKI upgrade program. The radar’s enhanced capabilities will significantly boost the operational effectiveness of these aircraft, ensuring they remain a formidable force in the Indian Air Force’s (IAF) arsenal for years to come.
According to DRDO officials, the Virupaksha AESA Radar is on track for in-flight developmental trials, which are expected to begin around 2028. This timeline allows sufficient time for the completion of the radar’s ground testing and integration with the Su-30MKI platform. The radar’s development is considered a critical milestone for enhancing the capabilities of India’s Su-30MKI fleet, providing advanced air-to-air and air-to-ground targeting capabilities.
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