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GLIMPSE2050: How regulation can reduce aviation’s environmental footprint

05 July 2021

A slew of regulations and policies are currently under discussion to try to reduce aviation’s environmental impact.

EU-US Safe and Sustainable Aviation Webinar marks 10th anniversary of bilateral safety agreement

01 July 2021

To mark the 10th anniversary of the bilateral safety agreement between the EU and the US, a webinar on Safe and Sustainable Aviation was held by the European C

Hydrogen-powered aviation: preparing for take-off

30 June 2021

Experts from the European aeronautic and hydrogen research communities came together on 6 May to share their views on future research and innovation cooperation, at a workshop organised by the Clean Sky and FCH Joint Undertakings.

Going electric with the RAISE project

24 June 2021

In the last years, the need for high power density and efficiency has become a central concern in the green transportation sector.

BREEZE brings eco-friendly air purifiers on board

18 June 2021

Aircraft cabins have an extremely high density of occupation and a limited available air volume.

Skyline 31 has landed - discover the research organisations involved in Clean Sky

15 June 2021

The latest issue of Skyline has landed! This edition takes an in-depth look at research organisations, to complete our series of insights into the innovation ecosystem that makes up Clean Sky.

An intelligent gearbox helps RACER safely take flight

10 June 2021

Monitoring the health of the main and lateral rotor gear boxes is a key priority for fast compound helicopters.

Developing eco-friendly aircraft cargo doors

07 June 2021

Redesigning cargo doors will help to make the aircraft of the future lightweight and more environmentally-friendly, contributing to the Clean Sky’s own objectives as well as the ACARE Flightpath 2050 targets, in alignment with the European Green Deal.

First Intermediate Compressor Case for UltraFan™ delivered

19 May 2021

The goal of the Clean Sky 2 Rolls-Royce UltraFan™ engine demonstrator is to improve fuel efficiency by 25% compared to current engines.  

POWER ON for the Regional Flight Test Bed 2 Demonstrator!

10 May 2021

The Regional Flight Test Bed 2 demonstrator aircraft has switched the “power on” and tested how well all the structural parts manufactured and the hydraulic and electrical systems have been installed within the airframe.

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Clean Sky 2 Results Stories

Innovative technologies Clean Sky 2

Technology Evaluator

What is the value of technology developed under Clean Sky?

Large Passenger Aircraft

What is a Large Passenger Aircraft and what are the challenges?

Regional Aircraft

What is a Regional Aircraft and what are the opportunities?

Fast Rotorcraft IADP

Rotorcraft and “fast” rotorcraft - what are the key challenges?


What is the Airframe ITD and what are the challenges?


What is the Engines ITD and what are the challenges?


What are Systems and what are the challenges?

Small Air Transport

What is Small Air Transport and what are the challenges?


What is Eco-Design and what are the challenges?
Facts and figures
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Small and medium-sized enterprises
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Participations in funded projects
(including call 11)
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Scientists & engineers involved
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Roadmap to climate-neutral aviation

Skyline 31 - Research Organisations in Clean Sky

June 2021

Technology Evaluator First Global Assessment 2020 Synopsis Report

May 2021

Technology Evaluator First Global Assessment 2020 Technical Report

May 2021
6-10 September 2021


1-3 September 2021

11th EASN International Conference

videos yt
The cabin experience of the future with Clean Sky's RATIOS project
hydrogen-powered aviation
Hydrogen-powered aviation: preparing for take-off!
less is more
Less is more: Clean Sky's EWIRA project cuts assembly costs by 25%