Helios Flight 522 became known as the "ghost plane" after it flew silently on autopilot for hours before crashing. In this video, I break down how a simple maintenance error led to a loss of cabin ...

Shortly after take off, Flight 522 lost contact. Fighter jets scrambled to the plane, and witnessed a shocking sight in mid-air. It was early on the morning on August 14 when 121 people boarded ...

A lack of oxygen in the cabin incapacitated Helios Airways Flight 522's crew, and the plane eventually crashed into a mountain after running out of fuel ...

A lack of oxygen in the cabin incapacitated Helios Airways Flight 522's crew, and the plane eventually crashed into a mountain after running out of fuel ...

A lack of oxygen in the cabin incapacitated Helios Airways Flight 522's crew, and the plane eventually crashed into a mountain after running out of fuel ...

A lack of oxygen in the cabin incapacitated Helios Airways Flight 522's crew, and the plane eventually crashed into a mountain after running out of fuel ...