Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

The National Transportation Safety Board typically releases a preliminary report within a few weeks of an accident.

Investigators have retrieved the voice and data recorders from the passenger plane following Wednesday's crash which killed 67 people.

A collision between an American Airlines passenger jet and an Army helicopter near Washington, D.C., that killed 67 people brought renewed focus on the federal agency charged with investigating ...

Dancing On Ice star Sir Steve Redgrave has paid tribute to the figure skaters who have been confirmed dead in the tragic plane crash in Washington DC this week.