18 August 2026

TCS and Rolls-Royce Achieve Breakthrough in Hydrogen-Powered Aviation

Why this article matters
The demonstration moves hydrogen propulsion beyond isolated component testing by showing that a modified modern aero gas turbine can operate on 100% hydrogen across a fully simulated flight cycle, including take-off, cruise and landing. The programme has also generated practical engineering data on combustion behaviour, fuel systems, engine controls and integration, all of which are critical if hydrogen is to become a viable aviation fuel.

For Rolls-Royce, the value extends beyond this specific demonstrator. The knowledge gained is expected to inform future propulsion development, including UltraFan®, while giving the company a stronger technical basis for assessing how gas turbine technology could support lower-carbon aviation. TCS’s role also highlights the growing importance of digital engineering, systems integration, validation and data analytics in bringing new propulsion technologies closer to operational application.

Of Interest
- Rolls-Royce and TCS have demonstrated a modified modern aero gas turbine operating on 100% hydrogen across a fully simulated flight cycle.
- The demonstration included take-off, cruise and landing conditions.
- Rolls-Royce and easyJet first announced the hydrogen propulsion programme in 2022.
- TCS joined the programme in 2024 as an engineering and technology partner.
- TCS supported fuel-system and engine-control integration, hydrogen combustion analysis, test preparation, validation, data analytics, risk management and detailed design.
- The tests validated critical technologies across hydrogen combustion, fuel systems and engine controls.
- The wider programme involved easyJet, NASA, the UK Health and Safety Executive and other industry partners.
- Hydrogen propulsion has the potential to eliminate in-flight CO2 emissions when deployed at scale.

Tests validate that 100% hydrogen propulsion can power an aeroplane engine, bringing hydrogen-powered flight closer to reality.

Tata Consultancy Services (TCS) and Rolls-Royce have announced a milestone in hydrogen propulsion development, successfully demonstrating a modern aero gas turbine running on 100% hydrogen through a complete simulated flight cycle, covering take-off, cruise and landing.

The demonstration marks the culmination of a four-year hydrogen demonstrator programme, originally launched by Rolls-Royce and easyJet in 2022, with TCS joining as an engineering partner in 2024. The test validated hydrogen propulsion technologies across combustion, fuel systems and engine controls.

The test is the culmination of a four-year programme to prove hydrogen’s potential as a future aviation fuel. Operated using 100% hydrogen, the modified engine successfully completed a flight cycle demonstration, including take-off, cruise and landing.

TCS supported Rolls-Royce across fuel system integration, engine controls work, hydrogen combustion analysis, test preparation and validation, data analytics, risk management and detailed design engineering.

Adam Newman, Chief Engineer for Rolls-Royce’s Hydrogen Demonstrator Programme, described the milestone as an important step toward more sustainable aviation, saying the rigorous, staged testing programme had given the team valuable insight into how hydrogen behaves inside a modern gas turbine across a complete flight cycle.

Anupam Singhal, President – Manufacturing at TCS, said the achievement reflected what was possible when advanced engineering was combined with digital capability and close collaboration across the wider programme ecosystem.

The programme also involves easyJet, NASA and the UK Health and Safety Executive, among other industry partners. Aviation currently accounts for an estimated 2–3% of global CO₂ emissions, and hydrogen propulsion is regarded as a potential route to eliminating in-flight emissions if the technology can be developed and deployed at scale.