Moments after taking off from the Norwegian island of Værøy, a turboprop plunges into the North Atlantic. Investigators discover damage to a critical steering component. And when they learn another flight nearly met the same fate at the notoriously tricky airport, they diagnose a perfect storm of controversial decisions that put lives at risk.

While a passenger live streams the final approach to a Nepali airport, Yeti Airlines Flight 691 falls from the sky. At the crash site, investigators find a scene of utter annihilation. And as they dig deeper, they’re stunned to uncover overloaded pilots and a fatal case of mistaken identity.

On 28 July 2010, Airblue Flight 202 crashes into the Margalla Hills while attempting to land at Benazir Bhutto International Airport in poor weather conditions, killing all 152 people on board. The crash was caused by the pilots' errors in judgement and lack of professionalism.

On 6 March 2003, the left engine of Air Algérie Flight 6289 fails during takeoff from Aguenar – Hadj Bey Akhamok Airport in Tamanrasset, Algeria. The aircraft enters a stall and crashes into a desert near the Trans-Sahara Highway, killing all but 1 of the 103 occupants on board.

When their landing gear fails to drop, the pilots of a New Zealand turboprop pull off a remarkable wheels-up landing that spares the lives of everyone on board—and results in minimal damage to the aircraft. And when investigators start digging into what went wrong, they uncover a systemic issue that’s endangering passengers worldwide.

An out-of-control turboprop breaks apart while trying to land at Düsseldorf airport, instantly killing everyone on board. German investigators locate every piece of the wreckage within the crash site, and after painstakingly reconstructing the fuselage, uncover evidence of a one-in-a-million failure that should never have brought down the plane.

Facing heavy snow and a tight curfew—and with a demanding passenger in the cockpit—the pilots of a chartered private jet are determined to land at Aspen’s notoriously tricky single-runway airport. But when Gulfstream III emerges from the clouds, it misses the runway and crashes—instantly claiming the lives of all 18 people on board.

Overwhelmed by a cascade of conflicting error messages, Aeroperú Flight 603 plunges into the Pacific, instantly killing everyone on board. A Navy expedition to the sea floor successfully retrieves the plane’s black boxes—and a single image of the wreckage reveals a minor maintenance glitch with deadly repercussions.

During monsoon season, at a treacherous tabletop runway in India, the crew of Flight 1344 run out of tarmac, and their Boeing 737-800 plunges into a gorge.

Shortly after taking off from Shanghai, Korean Air Flight 6316 disappears from radar and slams into a residential neighborhood. Investigators from China, South Korea, and the US join forces. And it’s only when they reconstruct the flight in a simulator that the mystery begins to unravel—and they come to a startling conclusion.