The military helicopter UH-60 'Black Hawk' and the American Airlines regional jet Bombardier CRJ700 that collided over Washington are aircraft commonly used worldwide. The plane was carrying 60 passengers and four crew members,

For many, the Sikorsky UH-60 Black Hawk helicopter, like the one involved in the Wednesday collision over the Potomac River in Washington, D.C., is familiar for one reason: the 2001 movie "Black Hawk Down ," based on the 1993 shooting down of U.S. Black Hawk helicopters during the Battle of Mogadishu in Somalia.

Rescue craft are in the Potomac River below the site of the collision with D.C. fire chief John Donnelly saying "we don't know" if there are any survivors.

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.

The Black Hawk helicopter was on an annual proficiency training flight when it collided with an American Airlines jet.

A new technology for autonomously operating aircraft dubbed “MATRIX” is drawing scrutiny across social media after a commercial airliner collided with a military helicopter in Washington, D.C. on Wednesday.

A Black Hawk helicopter can transport up to "12 fully equipped, seated troops in combat," according to Lockheed Martin, the weapons company that builds the helicopter. There are about 5,000 of these helicopters in use by the United States Military.

Lockheed Martin's X-59 QuessT with quiet SuperSonic Technology. The X-59 will reduce the loudness of a sonic boom. Credit: Space.com | foortage courtesy: Lockheed Martin|edited by Steve Spaleta Music:

The deadly collision between a military helicopter and a passenger plane sent shares of U.S. carrier American Airlines in premarket trade on Thursday.

A Sikorsky UH-60 Black Hawk helicopter of the US Army was involved in the mid-air collision with an American Airlines plane