clean aviation MultiFunctional Fuselage Demonstrator unveiled in Hamburg News MultiFunctional Fuselage Demonstrator unveiled in Hamburg clean aviation July 8, 2024 Honeywell-led consortium to develop aerospace-qualified megawatt-class News Honeywell-led consortium to develop aerospace-qualified megawatt-class clean aviation January 30, 2023 Collins Aerospace to lead clean aviation programme News Collins Aerospace to lead clean aviation programme clean aviation January 25, 2023