Start-up hypersonic aircraft developer Hermeus has demonstrated mode transition of the company’s in-house designed Chimera turbine-based combined-cycle engine.
By Carole Rickard Hedden, Garrett Reim, Graham Warwick
As Archer Aviation unveils its four-passenger production air taxi, the Midnight, Aviation Week editors discuss the shifting competitive dynamics in the nascent advanced air mobility market where three rival OEMs with differing approaches push toward FAA certification and operation.
GKN Aerospace has delivered a ground-based demonstrator of a LH2 fuel system under a UK-funded research project to investigate the feasibility of using the cryogenic fuel to extend the flight endurance of a search-and-rescue UAS.
The move comes as Reaction continues its push in the U.S. and elsewhere to develop its pre-cooler technology for high-Mach aircraft and missiles, as well as space access vehicles.
As a vast swath of aviation is turning to hydrogen as a central path to a sustainable future, some efforts are beginning to crystallize into concrete advancemen
The FAA has finally published its proposed airworthiness criteria for Joby Aviation’s JAS4-1, providing the first detailed look at the certification basis for an eVTOL powered-lift aircraft.
Merlin is developing the Merlin Pilot autonomous flight system and is working on FAA supplemental type certification of the capability, initially on the Cessna Caravan.
