This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's worst air disaster in more than a decade, aviation experts said.

The flight path of an Army helicopter before it collided with an American Airlines Group Inc. passenger jet this week above ...

Cruising altitude isn't a fixed number — many factors go into computing this for every flight — but there is ... pressurized to a more comfortable level for the sake of their occupants.

According to reports, American Airlines flight 5342 was flying steadily at a height of above 400 feet and at a speed of 140 ...

There are many questions online about how the fatal crash between a passenger jet and Army helicopter. Here’s what we can ...