American Airlines plane crash in Washington, D.C., that killed all 67 involved, investigators have sought to understand the tragedy. Here’s everything to know so far.

The midair collision Wednesday night between the plane and an Army helicopter in Washington, D.C., has left Wichita grieving.

The Army helicopter and regional American Eagle jet that collided over Washington are both workhorse aircraft that operate around the world on a daily basis.

An American Airlines plane and an Army helicopter collided Wednesday night near Ronald Reagan Washington National Airport.

WASHINGTON, D.C. - A former investigator with the NTSB said officials will be looking several factors as part of their investigation into the mid-air collision between a commercial plane and military ...

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

Aircraft window trim, a waterlogged cockpit checklist and American Airlines branded sugar packets joined a grim collection of debris plucked from the icy Potomac River on Thursday by Dean Naujoks.