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Green Charter 2022
Green Charter 2022
The monthly news publication for aviation professionals.
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ZeroAvia takes first flight using hydrogen powertrain
ZeroAvia's electric-powered programme is part of the UK government-backed Project HyFlyer. The programme is looking to deliver large scale aircraft that are powered by low weight, high yield fuel cells.

Decarbonising company ZeroAvia has conducted the first ever electric-powered flight of a commercial-scale aircraft carried out in the UK. The test flight is considered a milestone both for the UK's net zero and green aviation ambitions, and for ZeroAvia on the journey to demonstrating long-distance zero emission flights in large aircraft. The company completed the first flight of the new version of its powertrain from its base at Cranfield airport.

ZeroAvia is focused on developing a hydrogen fuel cell powertrain. Hydrogen-electric offers the same zero-emission potential of battery-electric, but has a more promising energy-to-weight ratio, making it viable for larger scale commercial operations in a shorter time frame. Additionally, a hydrogen-electric powertrain is projected to have lower operating costs due to the high cost of battery cycling in typical high-utilisation regional aircraft. The longer-distance hydrogen-electric test flights are planned for later this summer.

ZeroAvia is planning commercially relevant, certified 10-20 seat configurations ready to go within three years, and 50-100 seat configurations in flight by the end of the decade. The company projects that aircraft over 200 seats with a range in excess of 3,000 nm are achievable by 2040 without requiring any fundamental scientific breakthroughs.

In spite of the challenges presented by the coronavirus lockdown, and thanks to the support by the airport's operations team, Cranfield University and Cranfield Aerospace, the HyFlyer project has made big strides in progressing the programme with minimal delays. A hydrogen refuelling infrastructure has recently been commissioned, and ZeroAvia has completed a full set of ground-based full-power flight simulations for its long-distance hydrogen flights.

“This flight is the latest in a series of milestones that moves the possibility of zero emission flight closer to reality,” says Val Miftakhov, ZeroAvia founder and CEO. “We all want the aviation industry to come back after the pandemic on a firm footing to be able to move to a net zero future, with a green recovery. That will not be possible without realistic, commercial options for zero emission flight, something we will bring to market as early as 2023.”

ZeroAvia's programme in the UK is part of the UK Government-backed Project HyFlyer. Funded through Innovate UK and the Aerospace Technology Institute (ATI)-led Aerospace R&T programme, Project HyFlyer aims to decarbonise medium-range small passenger aircraft by demonstrating powertrain technology to replace conventional engines in propeller aircraft. The conventional powertrain in the aircraft will be replaced with electric motors, hydrogen fuel cells and gas storage.

“The ATI is delighted to see the first flight of ZeroAvia's battery-electric aircraft at Cranfield,” states Dr Simon Weeks, chief technology officer, ATI. “This exciting ATI funded project is the next step in an effort to develop a zero emissions hydrogen fuel cell powered commercial aircraft in the UK.”

Project HyFlyer will culminate in a UK-based 250-300 (nm) flight from the Orkney Islands in Scotland. This project is a key step on ZeroAvia’s journey towards supplying commercial operators and aircraft manufacturers in 2023, initially targeting up to 500-mile regional flights in 10 to 20-seat fixed-wing aircraft. ZeroAvia’s solution aims to deliver the same performance as a conventional aircraft engine, but with zero carbon emissions and at around half of the operating costs.

As part of the project, ZeroAvia is partnering with innovative technology, advanced manufacturing, energy and aviation companies in the UK. The European Marine Energy Centre (EMEC) is supporting the development of the infrastructure needed to fuel the aircraft with green hydrogen at Cranfield and on Orkney. Market leading fuel cell engineering company Intelligent Energy is optimising its proprietary high-power evaporatively cooled fuel cell technology for aviation use cases.

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