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HAL Tejas

India's home-built fighter — four decades in the making — the Tejas is a light, agile single-engine delta jet that finally gave India an indigenous combat aircraft. The Mk1A adds AESA radar and beyond-visual-range missiles; the bigger Mk2 is coming. The flagship of India's defence self-reliance.

26 Jun 2026

FIG.01 · Air Image - An Indian HAL Tejas light combat aircraft. Photo by Rahuldevnath, CC BY 3.0, via Wikimedia Commons.

India's home-built fighter, four decades in the making — the Tejas (Sanskrit for "radiance") is a light, agile single-engine delta jet that finally gave India an indigenous combat aircraft after one of the longest fighter-development sagas in aviation history. The Mk1A version adds an AESA radar and beyond-visual-range missiles, and the larger, more powerful Mk2 is in development. More than a warplane, the Tejas is the flagship of India's drive for defence self-reliance — and, increasingly, a candidate for export.

Overview

The Tejas (designated LCA, Light Combat Aircraft) is a single-engine, tailless delta-wing multirole fighter developed by India's Aeronautical Development Agency (ADA) and built by Hindustan Aeronautics Limited (HAL). It is a light, relatively inexpensive fourth-generation (Mk1A: 4.5-generation) jet — powered by a single GE F404 turbofan, reaching about Mach 1.8 — designed to give the Indian Air Force a domestically-produced fighter to replace ageing MiG-21s. After a famously protracted development, it entered service in 2016, and the improved Mk1A (with an AESA radar, electronic-warfare suite, beyond-visual-range missiles and aerial refuelling) is now in production, with the larger, F414-powered Mk2 under development. The Tejas is the centrepiece of India's "self-reliance" (Atmanirbhar Bharat) push in defence, intended both to equip the IAF and to compete for export orders.

Development

The LCA program was launched in the 1980s to replace the MiG-21, but it endured one of the longest gestations of any modern fighter — the prototype first flew in 2001, and the aircraft only achieved initial operational clearance and IAF service in the mid-2010s, per Wikipedia and Air Force Technology. The delays stemmed from the ambition of building an indigenous fighter (and indigenous engine — the Kaveri — which was ultimately not used, the jet instead relying on the American GE F404) and from technology gaps and sanctions. The IAF ordered 40 Mk1 aircraft, then in 2021 contracted 83 Tejas Mk1A (improved jets with AESA radar and BVR weapons) for around $6.5 billion, with a further ~97 Mk1A planned — pushing total orders well past 180, per Air Force Technology. The Mk1A adds an AESA radar (Israeli Elta and the indigenous Uttam), an EW suite, the indigenous Astra BVR missile, and refuelling. The larger Tejas Mk2 (Medium Weight Fighter) — bigger, with a canard, the more powerful GE F414 engine and greater payload/range — is in development as a heavier complement. Production-rate and engine-supply challenges have continued to dog the program.

Design & capabilities

The Tejas is a compact, lightweight tailless delta with relaxed static stability and fly-by-wire controls for agility, built with extensive composites to reduce weight, and powered by a single GE F404 turbofan (the Mk2 will use the more powerful F414). Top speed is around Mach 1.8, and it carries weapons across multiple hardpoints. The baseline Mk1 had a mechanically-scanned radar; the Mk1A is the meaningful combat version, fitting an AESA radar (Elta EL/M-2052 and, progressively, the indigenous Uttam), an advanced electronic-warfare suite, beyond-visual-range missiles (the indigenous Astra, plus close-combat missiles), precision air-to-ground weapons and aerial refuelling — turning the Tejas into a credible light multirole fighter. The combination of the indigenous Uttam AESA and Astra BVR missile is intended to give the IAF a cost-effective home-built beyond-visual-range capability. The Tejas is a light fighter — modest range and payload compared with heavier jets — best suited to point defence, light strike and as an affordable fleet filler. Its enduring challenges are production pace and engine supply (it depends on imported GE engines), but as an indigenous platform it anchors India's aerospace ambitions, with the Mk2 meant to move up a weight class.

Variants

Tejas Mk1: the initial production fighter (and trainer) for the IAF.
Tejas Mk1A: the improved combat version — AESA radar, EW suite, Astra BVR, refuelling.
Tejas Mk2 (MWF): a larger, F414-powered, canard-equipped medium-weight development.
LCA Navy: a carrier-capable naval variant (technology demonstrator feeding a future naval fighter).
Two-seat trainer versions.

Combat record / operational use

The Tejas has no combat record — it serves the Indian Air Force in a growing number of squadrons, replacing MiG-21s, and is the IAF's first home-built fighter in regular service. Its operational role is light multirole: air defence, light strike and (as the Mk1A matures) beyond-visual-range air combat. Its significance is strategic and industrial more than battle-tested: it is the flagship of India's defence self-reliance, intended to reduce dependence on imported fighters and to seed an indigenous combat-aircraft industry feeding into future programs (the Mk2 and the planned AMCA stealth fighter). India has actively marketed the Tejas for export (to countries such as Argentina, Egypt and others), where it competes as an affordable light fighter — though it has yet to secure a major foreign order. Its journey from a decades-long development saga to a producing, exporting program is itself the story.

Advantages

Indigenous — India's first home-built fighter in service; anchors its aerospace industry.
Light and agile — composite-built delta with fly-by-wire; affordable to acquire and operate.
Modernized (Mk1A) — AESA radar (incl. indigenous Uttam), EW, Astra BVR missile, refuelling.
Growing line — the larger, more capable Mk2 (F414) and a naval variant in development.
Export candidate — marketed abroad as a cost-effective light fighter.

Drawbacks / limitations

Long, troubled development — decades from launch to service; a cautionary tale of indigenous ambition.
Engine dependence — relies on imported GE F404/F414 engines (the indigenous Kaveri failed to deliver).
Light-fighter limits — modest range and payload versus heavier jets.
Production pace — slow delivery rates and engine-supply delays have hampered the program.
No combat record / few exports — capability is largely projective; no major foreign order yet.

Counterparts

The Tejas competes in the light-fighter market with South Korea's FA-50, the China–Pakistan JF-17 Thunder (its most direct rival, also a cheap indigenous-ish light fighter), and the heavier but comparably-roled Swedish Gripen — and feeds into India's future AMCA stealth-fighter ambitions much as Korea's FA-50 pairs with the KF-21. Its distinction is what it represents: India's hard-won indigenous fighter, born of a four-decade program, now producing in an AESA-equipped Mk1A form and reaching for a heavier Mk2. Where the JF-17 emphasizes low cost and export volume and the FA-50 trainer-derived affordability, the Tejas is above all a self-reliance project — proof that India can design and build a modern fighter, even if the road was long and the program still leans on imported engines.

Outlook

The Tejas is the centrepiece of India's defence self-reliance and the foundation of its combat-aircraft industry. Its trajectory is ramping Mk1A production for the IAF (180+ on order), developing the more capable Mk2, maturing the indigenous Uttam AESA and Astra missile to reduce import dependence, and pursuing exports. The variables to watch are the production rate and the chronic engine-supply issue (GE F404/F414 deliveries), whether the Mk2 arrives on schedule, the first export breakthrough, and how the Tejas line feeds the planned AMCA stealth fighter. For India, the Tejas is both a capability and a statement — the home-built fighter that finally flew, anchoring an aerospace industry meant to make the country a designer and exporter of combat aircraft rather than just a buyer. Its long, frustrating history is also a candid lesson in how hard building an indigenous fighter really is.

Key specifications

Spec	Value
Type	Light multirole fighter (4th / 4.5 gen)
Origin	India — ADA (design) / HAL (manufacture)
First flight	2001 (in service 2016)
Engine	1 × GE F404 (Mk2: GE F414)
Max speed	~Mach 1.8
Radar	Mechanical (Mk1); AESA — Elta + indigenous Uttam (Mk1A)
Key weapons	Astra BVR missile, close-combat missiles, precision air-to-ground
Variants	Mk1, Mk1A, Mk2 (MWF), LCA Navy, trainers
Orders	180+ (Indian Air Force)
Operators	India
Status	In service / production

Sources

🔒 The Analyst Section on HAL Tejas is for BattlePolicy Pro members. Below the line: procurement and contract history, the suppliers and companies behind the system, our head-to-head analyst view of the systems it actually competes with, and the BattlePolicy assessment note. Unlock the full file with BattlePolicy Pro →