India’s defense capabilities received a significant boost with the recent delivery of the first batch of Tejas Mk-1A fighter jets to the Indian Air Force (IAF). The handover, occurring on February 29, 2024, at Hindustan Aeronautics Limited (HAL) in Bengaluru, marks a crucial step in bolstering indigenous aircraft production and reducing reliance on foreign military equipment. These advanced light combat aircraft represent a substantial upgrade over the earlier Tejas Mk-1 variant.
The initial four Tejas Mk-1A jets delivered are part of an order for 83 aircraft, a contract valued at over $6.8 billion. The aircraft will initially be stationed at a forward airbase before being fully integrated into operational squadrons. This delivery follows years of development and testing, signifying a major milestone for India’s aerospace industry and its pursuit of self-reliance in defense.
Understanding the Tejas Mk-1A: Key Features and Upgrades
The Tejas, meaning “radiance” in Sanskrit, is a single-engine, light multirole combat aircraft designed and manufactured by HAL in collaboration with the Aeronautical Development Agency (ADA). The Mk-1A variant builds upon the foundation of the Mk-1, incorporating several critical enhancements to improve its operational effectiveness and survivability. These improvements address limitations identified during the Mk-1’s operational deployment.
Enhanced Avionics and Radar Systems
A core upgrade in the Mk-1A is the integration of a state-of-the-art Active Electronically Scanned Array (AESA) radar. This radar provides significantly improved detection range, tracking capabilities, and resistance to electronic jamming compared to the mechanically scanned radar in the Mk-1. According to HAL officials, the AESA radar allows the Tejas Mk-1A to engage multiple targets simultaneously with greater precision.
Additionally, the Mk-1A features a new electronic warfare (EW) suite, providing enhanced self-protection against enemy radar and missile threats. This suite includes radar warning receivers, electronic countermeasures, and chaff/flare dispensers. The aircraft also boasts a digital flight control computer and improved human-machine interface for pilots.
Increased Range and Payload
The Tejas Mk-1A addresses a previous limitation of the Mk-1 by incorporating an in-flight refueling probe, extending its operational range considerably. With external fuel tanks, the Mk-1A can achieve a ferry range of up to 1,850 kilometers. This capability is crucial for long-duration missions and expanding the aircraft’s operational footprint.
The payload capacity of the Mk-1A remains at approximately 4,000 kg, allowing it to carry a diverse range of air-to-air and air-to-ground weaponry. The aircraft is capable of deploying precision-guided munitions, conventional bombs, and various types of missiles. The increased range and payload contribute to the Tejas Mk-1A’s versatility as a light combat aircraft.
Indigenous Content and the ‘Make in India’ Initiative
A key objective of the Tejas program is to promote indigenous defense production under the Indian government’s ‘Make in India’ initiative. The Mk-1A variant significantly increases the percentage of domestically sourced components, reducing reliance on foreign suppliers. HAL reports that the Mk-1A has over 65% indigenous content, a substantial increase from previous versions.
This emphasis on indigenous manufacturing not only strengthens India’s defense industrial base but also creates employment opportunities and fosters technological innovation. The program involves a network of public and private sector companies, contributing to the growth of the domestic aerospace ecosystem. The development of the Tejas fighter jet is seen as a testament to India’s growing technological prowess.
Implications for Regional Security and Future Developments
The induction of the Tejas Mk-1A into the IAF is expected to enhance India’s air defense capabilities and provide a credible deterrent against potential adversaries. The aircraft’s advanced features and increased operational range will allow the IAF to project power more effectively and respond to evolving security challenges. The Tejas Mk-1A is also being considered for export to other countries, potentially opening up new avenues for India’s defense industry.
Meanwhile, HAL is already working on further upgrades to the Tejas platform, including the development of the Tejas Mk-2, a medium-weight fighter with a more powerful engine and increased payload capacity. The Mk-2 is expected to address some of the limitations of the Mk-1A and further enhance the aircraft’s combat capabilities. The future of the Tejas program hinges on continued investment in research and development, as well as sustained collaboration between HAL, ADA, and other stakeholders.
The remaining 79 Tejas Mk-1A aircraft are expected to be delivered by 2028-2029, contingent on production rates and supply chain stability. Ongoing monitoring of the aircraft’s performance in operational conditions and the successful integration of new technologies will be crucial for the program’s long-term success. The Indian Air Force will likely evaluate the Tejas Mk-1A’s performance over the next few years to inform future procurement decisions regarding military aircraft.

