Here is a photo of a standard PSA Airlines Bombardier CRJ700 series regional jet ... seated troops in combat," according to Lockheed Martin, the weapons company that builds the helicopter.

The passenger plane involved in a deadly midair collision with a U.S. Army Black Hawk helicopter Wednesday evening above Washington, D.C., was a Bombardier CRJ700 series regional jet operated by PSA ...

The twin-engine, four-blade helicopter is manufactured by Sikorsky, a subsidiary of defense contractor Lockheed ... in May 1999.Bombardier said in 2015 that the CRJ700 series accounted for 20% ...

"A PSA Airlines Bombardier CRJ700 regional jet collided in midair ... seated troops in combat," according to Lockheed Martin, the weapons company that builds the helicopter. There are about ...

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