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

The NTSB is an independent federal agency responsible for investigating all civil aviation accidents and other serious incidents in the U.S.

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

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

Officials confirmed there were "no survivors" among the 67 people aboard the aircrafts that collided mid-air over Washington DC ...

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.

Transgender pilot Jo Ellis is rumored to have been involved in the American Airlines flight and Black Hawk collision.