Low-level helicopter flights are planned over areas of Upper Michigan and northern Wisconsin to image geology using airborne ...

A pilot and two crew members were aboard the helicopter, which was not carrying any patients when it plunged into the woods ...

Investigators issued their preliminary report Tuesday in the probe into the devastating crash between an American Airlines plane and a U.S. Army Black Hawk helicopter.

Officials say a medical transport helicopter has crashed in Mississippi. A pilot and two hospital workers on board were killed.