However, TCAS, typically does not work at altitudes of less than 1,000 feet ... The aircraft involved was a Mitsubishi CRJ-700 jet, which typically seats 65 people and is generally used for ...

The collision between an American Airlines passenger jet and an Army helicopter at Ronald Reagan Washington National Airport near Washington, D.C, late Wednesday killed 67 people, including more than ...

Naujoks recovered a piece of the interior wall from the passenger cabin ... Flight tracking sites show the plane flew roughly 1,000 feet (300 meters) above the helicopter, a normally acceptable ...