Helios Flight 522: How a Single Switch Killed 121 Passengers (2022) - On 14 August 2005, Helios Airways Flight 522 depressurised in flight, resulting in all but two people aboard being killed by hypoxia. For the two still alive, absolute terror followed as they tried to save the plane. [00:23:02]

Reason 'ghost plane' flew for hours with passengers unconscious in seats before crash killed everyone on board

2 pilots once forgot about cabin pressure like Jet Airways crew. 121 people died

On August 14, 2005, the world watched a story unfold that felt more like a scene from a haunting legend than a real-life tragedy. Helios Airways Flight 522 lifted off from Cyprus on a routine journey to Prague, yet slowly transformed into what aviation history would remember as a ghost aircraft. A single oversight in the pressurization system set the stage for disaster. As the cabin lost oxygen, everyone on board slipped gradually into the grip of hypoxia. Confusion came first, then silence, and