The radio altimeter on board the Black Hawk at the time of the deadly ... After comparing voice recordings from the control tower and the Black Hawk, investigators believe the helicopter pilots may ...

The National Transportation Safety Board disclosed new details about the collision between the helicopter and an American Airlines passenger jet over the Potomac River on Jan. 29.

The National Transportation Safety Board gave an update on its investigation into the deadly midair collision between an ...

The radio altimeter on board the ... After comparing voice recordings from the control tower and the Black Hawk, investigators believe the helicopter pilots may not have heard some of the ...

but the helicopter's black box captures its radio altitude. The radio altitude at the time of the impact put the Black Hawk at 278 feet, Homendy said. 'But I want to caution, that does not mean ...

Homendy says some radio transmissions between the air traffic controller and the Black Hawk crew weren't fully heard by the pilots of the helicopter either. She says at least one transmission ...

The agency says the approved helicopter route is too close to the approach to the runway where an American Eagle plane was ...

However, Homendy says it's unclear whether the altimeters in the helicopter were showing the pilots the proper altitude. She says investigators are "seeing conflicting information in the data" and are ...