The peace treaty was signed. Prisoners of war were coming home. The last thing America needed was an international incident.

The National Transportation Safety Board has said the helicopter was flying above its mandated 200-foot ceiling and that its crew was likely wearing night vision goggles, which pilots said can ...

That altimeter uses a radio beam to show the helicopter’s altitude above ground level, but it may not have been what the pilots of the helicopter were referencing at the time of the crash ...

Airline pilots received more than 100 cockpit warnings over the past decade that they were in danger of a midair collision with a helicopter ... to the doctor,” said Michael McCormick, a ...

Remembering Vietnam,” which opened Saturday, examines the controversial war through artifacts, immersive experiences and the ...

on January 29, indicated the helicopter’s altimeter may have been inaccurate and the pilots may not have heard some calls from the Reagan National Airport control tower, officials said.