There were the five victims and their families, but also witnesses whose lives have all been changed by the events of October ...

pitch, and yaw control. But thanks to a doctoral thesis he found, it’s also possible to control a traditional single-rotor helicopter by substituting flexible rotor hinges and precise motor ...

giving each rotor collective pitch, just like the tail rotor of a real helicopter. The result is a quadcopter that can fly upside-down with the greatest of ease, perform barrel rolls, and all the ...

In the days following the deadly midair collision between a Black Hawk helicopter and an American Airlines flight near Reagan National Airport, Col. Tim Zerbe, the State Army Aviation Officer at ...

They now believe they snapped off because “the rapid attitude change resulted in loads on the fast-rotating rotor blades beyond their design limits.” A part of one of the rotor blades was ...