INTRO:
Flights have resumed at Ronald Reagan Washington National Airport after a mid air collision that killed 67 people.
A US army helicopter and an American Airlines passenger jet plunged into the Potomac River on Wednesday night - nobody is believed to have survived.
Recovery teams have pulled more than two dozen bodies from the icy water.
Caroline Malone reports from the river's edge outside the airport in Northern Virginia
IN: The black boxes
OUT: right now
DUR: 39