WASHINGTON — The crew of the Army helicopter that collided in midair with an American Airlines jet near Washington’s Ronald Reagan National Airport may have had inaccurate altitude readings in ...

Notably, the United States military embraced the helicopter as a key platform for warfare. Arising during the Korean War out of the need to rapidly transport supplies and medevac wounded personnel ...

Since the agency was established in 1967, more than 15,500 recommendations have been issued. Aviation accounts for most of those recommendations at 38%, according to NTSB data. Right now, there ...