Particularly for the Project Sunrise London route, it will be key for Airbus not to incur any significant weight penalties because of the fuel tank redesign.
"We are going to hold them accountable every step of the way, with mutually understood milestones and expectations,” FAA Administrator Mike Whitaker said.
FAA’s Office of Commercial Space Transportation (AST) faces long-running challenges in addressing safety concerns for human commercial spaceflight passengers.
U.S. startup Pivotal has four of eight BlackFly ultralight eVTOL vehicles for evaluation by the USAF's AFWerx innovation unit under the Agility Prime program.