The company also recently won approval for drone deliveries from regulators in Australia.

A possible criminal investigation during an aircraft accident investigation is highly unusual.

A new satellite network capable of tracking planes in high fidelity captured the flight path of the 737 Max that crashed.

There has been no clear indication of what brought down an Ethiopian Airlines Max on Sunday.

Crashes include Saturday's violent plunge into a bay near Houston of a plane carrying Amazon.com Inc. packages.

U.S. aviation was 'on the verge of unraveling' when the partial shutdown ended Jan. 25.

The regulation, which was posted Tuesday on a preview website for the Federal Register, takes effect Feb. 23.

The indictment comes as the government struggles to create a regulatory framework that would let drone operators flourish.