As soon as the masks ran out of oxygen, all passengers and the pilots lost consciousness
Nineteen years have passed since the tragic crash on August 14, 2005, of the Boeing 737-31S aircraft of Helios Airways in the mountainous area of Grammatiko in Attica, Greece. The devastating end of Helios Airways flight HCY 522 from Larnaca to Prague, with a connecting stop in Athens, resulted in the deaths of 121 people from Cyprus and Greece.
The crash happened at 12:04 in Grammatiko,
