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(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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Sustainable aviation

A French Aerospace Consortium Launches an Initiative to Develop Hybrid-Electric Propulsion for General Aviation

Four major French aerospace companies today announced an ambitious collaborative research project to study and define a hybrid-electric propulsion architecture for light aircraft with optimized propeller efficiency, which is aligned with decarbonization goals set by the French Directorate General for Civil Aviation (DGAC) and the country’s CORAC civil aeronautics research council.

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Sustainable aviation

Ascendance Reaches a New Milestone Toward Concrete Hybrid-Electric Aviation with Green Aerolease and Leman Aviation Strategic Agreements to Accelerate the Adoption of Hybrid-Electric Aviation

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Technical progress

Ascendance unveils STERNA Hybrid Pack and partners with EXOES to accelerate the industrialization of hybrid-electric aviation

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