All signs point to bad weather causing the crash of Martinair Flight 495... until investigators make an intriguing discovery.

Discover the cause of history's most expensive aviation accident: the 2008 crash of the B-2 bomber Spirit of Kansas.

An emergency over the French Alps leads to a miraculous landing, followed by the discovery of a small but deadly flaw.

Heroic flying isn't enough to overcome neglectful maintenance in the tragic accident of Alaska Airlines Flight 261.

Investigators must pull off a risky test flight to see if the pilots of a heroic emergency landing are hiding a secret.

When a tree-strike takes out both engines of an MD-83, the crew must find a way to land a 60-ton plane with no power.

When an Illinois turboprop crashes after losing battery power, investigators uncover a series of errors made by the pilots.

When a turboprop stalls and crashes into a North Carolina forest, investigators resort to a risky test flight-and uncover an industry-wide safety problem.

When basketball legend Kobe Bryant is killed in a helicopter crash in Calabasas, investigators examine the data, the wreckage, and the pilot's actions for clues.