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De Havilland Dash 8 Series

18/03/2026Press Release:
RTX Hybrid-Electric Flight Demonstrator - RTX Corp, Battery Module H55 - H55		H55 battery technology helps power progress of RTX Hybrid-Electric Flight Demonstrator
05/02/2026News:
H55’s Propulsion Battery Module, which successfully completed all regulator-required certification tests.

H55 clears key battery certification hurdle

EASA-supervised test campaign confirms ability to contain worst-case failures, enabling scalable commercialisation of electric aircraft propulsion systems.

17/07/2025Press Release:
ZeroAvia granted raft of new patents key to the development of large hydrogen aviation engines
19/06/2025News:
The RTX Hybrid-Electric Flight Demonstrator is developing a highly efficient Pratt & Whitney Canada thermal engine, combined with a Collins Aerospace 1 megawatt electric motor.

Hybrid-electric system charged to full power during ground tests

Pratt & Whitney Canada and AeroTEC have moved forward with their RTX demonstrator by testing propulsion and battery performance in Quebec.

01/04/2025Press Release:
De Havilland Aircraft of Canada acquires Fleet Canada Inc.

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