CALABASAS, Calif. -- A previous version of this report included audio of the helicopter crashing but has since been removed. The sounds of the low-flying helicopter and subsequent crash that killed ...
The noise is barely audible at first, just a low rumble somewhere in the distance. Within seconds it rises to a growl, then swells to a roar, a predator lurking just overhead. The sound makes windows ...
The Army helicopter that collided with a commercial plane over Washington, DC, in January had incorrect altitude readings, which contributed to the aircraft getting too close, according to National ...