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American Airlines invests further into hydrogen-powered aviation technology

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American Airlines invests further into hydrogen-powered aviation technology
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American Airlines has entered into a conditional sales agreement to purchase 100 hydrogen-electric engines from ZeroAvia. These engines will be used to convert the airline's 70-seat Bombardier CRJ700 regional jets. The announcement was made by both companies on July 2.

ZeroAvia is working on developing the ZA2000 powertrain, designed for aircraft with up to 90 seats, and plans to introduce the smaller ZA600 engines for 20-seat regional aircraft. The company opened a manufacturing site near Seattle in April and aims to install the first ZA600 units under supplemental type certificates (STC) in 2025, with larger units following in 2027.

The conversion of the CRJ700 will involve replacing its existing GE Aerospace CF-34 turbofans. In October 2021, ZeroAvia partnered with Mitsubishi's MHI RJ Aviation Group (MHIRJ) subsidiary to work on plans for the STC. Although MHIRJ had not committed initially, an agreement was finalized in May 2022.

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American Airlines is also increasing its investment in ZeroAvia by an undisclosed amount. The carrier first invested in ZeroAvia in 2022 and participated in its Series C funding round announced in November 2023. This new funding comes shortly after Universal Hydrogen announced its closure due to a lack of investors.

ZeroAvia stated that its first converted regional airliner will be a 19-seater capable of operating routes up to approximately 261 nautical miles using ZA600 engines powered by hydrogen gas. The more powerful ZA2000s are expected to support flights over 600 nautical miles using liquid hydrogen. Flight tests for the ZA600 have been conducted on a converted Dornier 228 aircraft.

In December 2021, United Airlines and Alaska Airlines contributed $35 million to ZeroAvia's investment round. United secured rights for up to 100 ZA2000 engines for its United Express unit's regional jets, while Alaska expressed interest in converting up to 50 Dash 8 Q400 twin turboprops.

American Airlines operates a fleet of CRJ700s through PSA Airlines, its regional affiliate. Robert Isom, American’s CEO, commented: “Advancing the transition of commercial aviation to a low-carbon future requires investments in promising technologies, including alternate forms of propulsion.” He added that this announcement supports their commitment "to make American a sustainable airline."

ZeroAvia’s technology uses hydrogen fuel cells to generate electricity powering electric motors that turn propellers, emitting only low-temperature water vapor as emissions.

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