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F404 Engine Delays Hit Tejas Mk1A: HAL Imposes LD on GE Aerospace

Tejas Mk1A F404 engine delays attracts HAL liquidated damages on GE

Key Insights:

  • Original 2021 Order: 99 F404-IN20 engines signed August 2021 ($716 million) to power 83 Tejas Mk1A fighters; deliveries originally slated from 2023 at ~16 per year.
  • 2024 LD Episode: Media reported invocation for 10–18 month delays; Ministry of Defence (MoD) publicly clarified reports were “factually incorrect” and “no proposal under consideration to impose any penalty.”
  • Follow-on Order: 113 additional engines ($1 billion) signed 7 November 2025 for 97 more Mk1A aircraft (deliveries 2027–2032).
  • Strategic Timing: Just seven days earlier (31 October 2025), Defence Minister Rajnath Singh signed a landmark 10-year US-India Major Defence Partnership Framework with US Secretary of Defence Pete Hegseth in Kuala Lumpur — a clear positive diplomatic signal strengthening bilateral defence ties.
  • Current Reality (April 2026): Only 6 engines delivered out of 99. GE missed March 2026 target for five more. HAL now actively deducting liquidated damages (LD) per delayed engine.
  • Programme Risk: 14–19 airframes in advanced stages sit engineless; induction pushed to mid/late 2026 or beyond. LD alone cannot fix the bottleneck — the entire 180-aircraft Mk1A plan risks becoming operationally meaningless if squadron formation timelines collapse.
  • Why LD May Not Suffice: Financial deductions (capped ~5–10% per engine) apply pressure but do not accelerate physical deliveries or resolve systemic supply-chain restart issues.

The F404-IN20 Crisis: Technical Realities Meet Contractual Accountability

India’s Tejas Mk1A programme — a flagship of indigenous defence capability — remains stalled at the engine bay. As of April 3, 2026, HAL has received only six F404-IN20 engines out of the 99 ordered in August 2021. Multiple completed or near-completed airframes sit engineless at HAL facilities in Bengaluru, pushing IAF induction timelines into mid-2026 or later.
 
HAL Chairman Dr DK Sunil confirmed the policy shift on April 2, 2026: “The contract includes a provision stating that if there is a delay in the delivery of F-404 engines… liquidated damages will be imposed on GE Aviation. So the cost is being imposed as per the contract.” LD is now deducted automatically on every late engine — a clear departure from the softer stance in late 2024.

Technical Aspects of the F404-IN20

The F404-GE-IN20 (~19,000 lb thrust class, FADEC-equipped, with India-specific hot-section upgrades) is not a new design. GE had delivered 65 earlier F404 variants for the initial Tejas LCA fleet by ~2016, after which the dedicated production line was shut down due to lack of follow-on orders.
 
Restarting this “cold” aerospace line five years later proved far more challenging than expected. Key issues included:
  • Re-engagement and requalification of a fragmented global supply chain.
  • Disruptions from specific vendors, including a South Korean component supplier.
  • Lingering effects of post-COVID recovery and stringent aerospace quality/safety certifications.

Deliveries, originally planned from 2023, slipped by nearly two years. The first engine arrived only in March 2025. Promises of “two engines per month” in 2025 collapsed — for instance, zero deliveries occurred in August 2025 despite public commitments. By the end of FY2025-26 (March 2026), HAL received far fewer than the revised target of 11 engines. GE also missed its March 2026 milestone for five additional units.

Ongoing West Asia conflict has further affected logistics, impacting shipping routes and component flows even after handover.

Contractual Timeline: From Leniency to Enforcement

Key Commercial Terms:

  • Milestone-based payments, with final payment on delivery and acceptance.
  • Liquidated Damages Clause: Standard in Indian defence contracts — typically 0.5% per week of delay (or part thereof) on the value of each delayed engine, capped at 5–10% per MoD guidelines. Deductions are automatic upon late delivery.
  • Enforceable under Section 74 of the Indian Contract Act as a genuine pre-estimate of loss.

A follow-on contract for 113 additional F404-IN20 engines (~$1 billion) was signed on 7 November 2025, with deliveries scheduled from 2027 onward.

Timeline:

  • August 2021: 99-engine contract signed alongside the 83-aircraft Mk1A order.
  • 2023–early 2025: Near-total slippage; first engine delivered in March 2025.
  • October 2024: Media reported HAL invoking LD for 10–18 month delays. The Ministry of Defence clarified the reports were “factually incorrect” and stated there was “no proposal under consideration to impose any penalty” on GE. HAL did not proceed with deductions, prioritising partnership preservation ahead of follow-on talks.
  • 31 October 2025: Defence Minister Rajnath Singh met US Secretary of Defence Pete Hegseth in Kuala Lumpur and signed a landmark 10-year US-India Major Defence Partnership Framework, described as ushering in a “new chapter” in strategic collaboration.
  • 7 November 2025: HAL signed the 113-engine follow-on contract just seven days later — a constructive step within the improved defence-diplomacy environment.
  • April 2026: Only six engines delivered in total. GE confirmed the sixth on 2 April 2026 but missed the March 2026 target for five more. HAL is now actively imposing LD on every delayed engine.

Consequences and Commercial Implications

For HAL/India:

  • Multiple Tejas Mk1A airframes remain grounded, delaying IAF induction (originally targeted for the mid-2020s).
  • HAL faces its own downstream LD obligations to the IAF.
  • The stricter enforcement signals growing accountability on foreign dependencies and strengthens the case for faster indigenisation (Kaveri revival and F414 co-production).

For GE Aerospace:

  • A maximum 10% LD on the $716 million contract would amount to ~$71 million spread over time — modest compared to GE Aerospace’s multi-billion-dollar revenue. Actual deductions are likely far lower (a few percent per engine).
  • Reputational and relational costs are higher, potentially affecting future technology transfer talks for the F414 engine.
  • On the positive side, repeat business (113 more engines) and potential F414 co-production keep the partnership open.

Why Delays Threaten to Render the Mk1A Programme Meaningless

The Tejas Mk1A forms the backbone of IAF squadron modernisation. The original 83-aircraft order plus the 97-aircraft follow-on (total 180) was designed to rapidly fill critical gaps. HAL has built and test-flown multiple airframes, with reports indicating 14–19 structures in advanced assembly stages and at least five fully ready except for engines.
 
Without power plants, these aircraft stay grounded in Bengaluru and production cadence collapses. IAF induction has slipped from 2024–25 targets to mid-2026 or later — a delay of over two years. HAL must also pay LD to the IAF for missed aircraft handovers.
 
The 180-aircraft plan risks losing strategic value: by the time engines arrive in sufficient numbers, operational urgency may have shifted, squadron formation timelines could collapse, and the “Make in India” showcase may highlight persistent foreign dependency rather than self-reliance. In essence, airframes without engines turn an ambitious indigenous programme into an expensive static display.
 
LD clauses recover only a percentage of value (typically 0.5% per week, capped at 5–10%), but they cannot manufacture engines, fix supply chains, or restore lost readiness. Financial remedies fall short when the core problem is physical delivery in a high-tech, single-source dependency.

The Road Ahead

GE has committed to ~20 engines in the second half of 2026 (June–December) and a ramp-up to ~30 per year from FY2027-28. Whether this materialises will determine if the Mk1A programme recovers or stays permanently off-track.
 
HAL’s move to enforce LD in 2026, after strategic leniency in 2024–25, reflects growing impatience with repeated missed targets. Contractual penalties alone cannot replace genuine supply-chain resilience or accelerated indigenisation.
 
The programme’s future now depends on whether the strengthened US-India defence framework delivers reliable performance — or whether India must directly confront the limits of foreign engine dependence.

References:

Report based on HAL statements, MoD clarifications, and defence reporting as of April 3, 2026.

HAL official website (https://hal-india.co.in/) – Check “Press Releases” or “Investor Relations” section for any future quarterly updates.

Ministry of Defence website (https://mod.gov.in/) – Look under “Press Releases” or “Defence Acquisitions”.

Also read earlier report dated November 08, 2025 by TNT:

India signs $1 billion deal for 113 GE engines — and what happened to the 2021 order that’s still incomplete

About the Author

Praveen Chand is an infrastructure and energy professional with over 38 years of experience across large-scale EPCC projects, including oil & gas, civil infrastructure, and emerging sectors such as renewable energy. He has held senior leadership roles such as Project Director, SBU Head, and Country Head, and has worked across West to East Asia in multiple international assignments.

He holds a Bachelor’s degree in Civil Engineering from NIT Trichy and a Master’s degree in Construction Law from Robert Gordon University, Aberdeen (UK), bringing a practitioner’s perspective to global developments at the intersection of geopolitics, energy security, infrastructure, and economic strategy.

Having travelled to over 30 countries, his writing reflects a broad, ground-level understanding of geopolitics, international systems, policy environments, and regional dynamics, along with practical insights into international travel and on-ground logistics.

Teja Mk1A at HAL Nasik with the Project Team

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