Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

The Army helicopter that collided with a plane over D.C. in January had incorrect altitude readings, contributing to the ...

A U.S. agency announced on Friday an investigation into the government's management of airspace around Reagan Washington ...

The army helicopter that crashed into a passenger jet over Washington DC was flying too high, investigators have concluded.

It is the second of three days of witness testimony and public inquiry by the National Transportation Safety Board into ...

An investigative hearing into a deadly mid-air collision of a US Army helicopter and a passenger plane that killed 67 people ...

An ad hoc working group that involved air traffic controllers at Ronald Reagan Washington National Airport recommended shuttering the helicopter route used the night of a deadly midair collision ...

WASHINGTON (Reuters) -The National Transportation Safety Board will hold a three-day investigative hearing starting July 30 over the fatal collision in January between a U.S. Army helicopter and ...

Via its vertical-lift subsidiary Sikorsky, US defence giant Lockheed Martin absorbed a combined $665 million in losses during the recent second quarter on helicopter programmes for Canada and Turkey.

HANOI (Reuters) -Vietnam's police ministry has agreed to buy two Lockheed Martin helicopters, according to three people with knowledge of the talks, in what would be a key security deal since ...