Mayday: Air Disaster

A fiery collision between United Express 5925 and a private plane leaves investigators stumped until they learn that a missing pilot may have played a role in the tragedy.

Asiana Flight 214 slams into a seawall at San Francisco Airport and investigators suspect a startling mistake may have triggered the crash.

High above the Persian Gulf, the two-man crew of a UPS cargo jet is faced with a life-threatening emergency as their cockpit fills with smoke.

More than 50 years after a plane crash that killed UN Secretary General Dag Hammarskjold, a new investigation shines light on the controversial aviation mystery.

A Norwegian commuter plane careens off the runway and over a rocky cliff, leaving investigators to wonder why the pilots couldn’t stop in time.

When Spanair Flight 5022 crashes just seconds after taking off from Madrid, investigators suspect a last minute repair may have played an unexpected role in the catastrophe.

When a 737 careens off the runway in Indonesia, investigators dig into the history of a troubled airline and reach a conclusion that’s almost beyond belief.

A dangerous test flight may be the only way to uncover the startling truth about what brought down Atlantic Southeast Airlines Flight 2311.

When a disaster in Brazil leaves a Sao Paolo neighborhood in flames, investigators uncover a rare combination of split-second events that caused a crash no one thought possible.