The former acting head of the FAA is now overseeing safety at a new electric aircraft company — and it's a good sign for takeoff. Meet Archer's Midnight eVTOL.

• Electric planemaker Archer Aviation is one of the most promising eVTOL startups in the US.
• Overseeing safety is the former acting head of the Federal Aviation Administration, Billy Nolen.
• His appointment comes ahead of Archer's upcoming Midnight eVTOL, which United plans to fly.

One of the highest authorities on aircraft safety in the US just placed his bets on startup electric planemaker Archer Aviation, representing how close the world could be to this new era of air travel.