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Where innovation
takes flight.

about us

(Ascendance)

We’re taking aviation to new heights.

Join us on our journey to more sustainable aviation !

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.

(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)

Sterna

Our unique hybrid-electric propulsion technology.

a person is working on a machine in a room
Powered by
Sterna

Atea

The first aircraft with Sterna inside, for passenger transport, medical and cargo.

A 3D model of Atea

Inflight insights

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Company

Interview with Jean-Christophe Lambert in Le Figaro - Talk les Décideurs

The year 2024 got off to a great start and quite a frenetic pace for Ascendance.

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Company

Hybrid choice wins accolade and award from the Royal Aeronautical Society

Benoit Ferran also gave a lecture at the Royal Aeronautical Society - Paris Branch

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Company

Les essaimés Prize - Airbus Développement

Benoit Ferran attended the evening Les essaimés 2024, organized by the Diese Association

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