A Japan Airlines plane that was taxiing on the tarmac of Seattle-Tacoma International Airport apparently struck the tail of a parked Delta aircraft on Wednesday morning, airport authorities said.
American Airlines Flight 5342 was approaching Washington's Reagan National Airport at around 9pm on Wednesday when the military chopper and plane collided in mid-air, killing 67 people.
Here’s what experts say investigators will look for as they determine the cause of the crash and possible safety recommendations to the FAA, American Airlines and the Army.