The former FAA head tussled with Musk and wanted to fine SpaceX for safety violations. He resigned after Trump won the election and hasn't been replaced.

The Bombardier CRJ700 is a small single-aisle jet that can be arranged with seating for up to 78 passengers. American Airlines says its version is set up to fit 65 passengers. Introduced nearly 25 years ago,

Here is a photo of a standard PSA Airlines Bombardier CRJ700 series regional jet, from the American Airlines website. According to a brochure from Bombardier CRJ Series, the jet can hold up to 78 people. Per a flight manifest, American Eagle Flight 5342 from Wichita, Kansas had 60 passengers and four crew on board.

Here are images of the two aircraft involved in the crash, taken from airline websites and directly manufacturers.

The Army helicopter and regional American Airlines jet that collided over Washington are both workhorse aircraft that operate around the world on a daily basis.

While acknowledging that the cause of the 29 January midair collision remains unknown, US president Donald Trump has cited diversity hiring practices by the Federal Aviation Administration and potential missteps by the pilots of a Sikorsky UH-60 Black Hawk helicopter.

The type of jet involved in the crash was built by Canadian-based Bombardier as part of a line of smaller regional jets.

There was a mid-air collision between a commercial airliner and a Sikorsky H-60 Black Hawk helicopter Wednesday night over the Capital Region. “The FAA and NTSB will investigate,” the statement added.

The airliner involved in the DCA crash came into service 20 years ago and averaged around 50 flights per year.

Bombardier CRJ700 flight, a popular aircraft in smaller air hubs, was carrying Russian and US figure skaters when it collided with a US Army Black Hawk helicopter mid-air