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Where innovation
takes flight.

Contact us

(Ascendance)

We’re taking aviation to new heights.

Join us on our journey to cleaner aviation — and become a pioneer of tomorrow’s flight!

As the world grapples with the effects of climate change, we must all, collectively, act now. The good news is, we have the solution to make a difference and have a positive impact:
hybrid electric technology.

It’s not just a trend. It is — and will be — the most sustainable way to decarbonize air transport. Welcome on board the long haul flight to cleaner connections.

At Ascendance, we believe this transformation needs pioneers: bold actors ready to embrace innovation and shape the future of aviation. That’s why we offer three innovative solutions to hybridize all types of aerial vehicles and to unlock the energy transition for you.

(Our technology)

Decarbonizing air transport with hybrid electric propulsion technology and sustainable aircraft.

High performance solutions to drive progress forward

Our technology has the potential to enable and boost the energy transition in aviation to reach carbon neutrality by 2050

Lead the environmental charge with reduced noise, reduced CO2 emissions and reduced costs.

(sterna’s carbon emission reduction)*

Up to

-40%

(atea’s carbon emission reduction)*

Up to

-80%

*compared to conventional aicrafts

a winding road in the middle of a foresta drawing of a propeller on a black background
the inside of a computer case with many wires

(Our products)

Hybrid-electric solutions for every type of aerial vehicles

Hybrid-electric propulsion system for aircraft

Enhance aircraft performance and reduce emissions with our STERNA Hybrid Pack

Hybrid-electric propulsion system for UAVs

Achieve longer missions and greater flexibility with our STERNA Hybrid Pack dedicated for UAVs

Hybrid-electric VTOL aircraft 

Discover ATEA, the first VTOL aircraft powered by our STERNA Hybrid Pack

Inflight insights

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Company

Jean-Baptiste Djebbari Joins Ascendance’s Strategic Committee

Jean-Baptiste Djebbari, former Minister of Transport, is joining our strategic committee

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Technical progress

On the route to permit to fly

Ascendance was welcoming EASA for the 3rd time this year

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Company

Ascendance has been ranked in the Top 100 of TIME's World’s Top GreenTech Companies of 2025!

Proud to be recognized among the world's top greentech companies! 🌍🌱

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