Officials say there are no survivors among the 67 passengers on the aircrafts that collided above Washington, D.C.
The Post spoke to several aviation experts about a number of factors that may have contributed to the fatal collision.
Nearly 70 people are believed to have died in the crash, which happened when an American Airlines regional jet collided with a Black Hawk Army helicopter.
The number of people onboard and any fatalities is unknown at this time. The plane can carry up to 65 passengers and four ...