This website uses cookies
More information
Navigate directly to favourite company, aircraft and sector pages with our tracker feature.

Weekly news by email: See the latest Bulletin, and sign up free-of-charge for future editions.

News archive

De Havilland Dash 8 Series

18/06/2026News:
H55 has accumulated more than 2,000 flight hours without a battery-related incident.

H55 powers ahead with RTX flight demonstrator battery

Certification-grade modules have entered active flight-test integration, reinforcing the company's readiness to support future hybrid-electric aircraft programmes.

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.

Showing the most recent five of 51 news reports/press releases. Take out a paid subscription and log in to access the full list.

© Airframer Limited, operated under licence by Stansted News Limited 2026.
Terms & Conditions of reading. Privacy policy.