

In one of the world's busiest airports, a large passenger plane crashes into a smaller one; a 1986 midair crash between planes near Los Angeles brings attention to disturbing congestion at airports.

Three aviation disasters are all linked to breakdowns in vital security measures.

A massive explosion tears a hole in a 747 over Hawaii, and the trail of clues ultimately leads investigators to a catastrophic short circuit.

While landing at a notoriously tricky Alaskan island airport, the pilots of a twin turboprop can't stop their plane.

After a DC-8 cargo plane with only three working engines crashes on takeoff in Kansas City, investigators uncover a flaw in the pilots' training.

Two float planes collide midair near an Alaskan waterfall. One shatters; the other crash-lands intact. With no warning before impact, investigators use wreckage clues and 3D tech to uncover how-and why-the deadly crash occurred.

Solving the crash of China Airlines Flight 676 hinges on 11 baffling seconds when neither pilot controls the airplane.

A national snowstorm brings U.S. aviation to a standstill, but Anchorage fights through the storm; USAF aircrews endure the toughest survival training on Alaska's North Slope, and a veteran aircraft flies life-saving cargo.