As oxygen ran low , crew members attempted to replace Change_of_leadership a potassium superoxide chemical oxygen cartridge , which accidentally fell Motion_directional into the oily sea water and exploded Use_firearm on contact Connect .

As oxygen ran low , crew members attempted to replace Change_of_leadership a potassium superoxide chemical oxygen cartridge , which accidentally fell Motion_directional into the oily sea water and exploded Use_firearm on contact Connect .

The resulting Causation fire killed Killing several crew members and triggered Causation a flash fire that consumed Expend_resource the remaining Presence oxygen , suffocating Killing the remaining Presence survivors .

A subsequent investigation Criminal_investigation concluded Coming_to_believe that the pilot and passengers had become Becoming incapacitated and had been suffering Bodily_harm from hypoxia Hindering , a lack of oxygen to the body , meaning Causation the pilot would have been unable to operate Control the aircraft .

The investigation Criminal_investigation report Reporting said Statement that , due Causation to extensive damage Damaging to the aircraft , investigators Criminal_investigation were unable to conclude Coming_to_believe if any of the eight aboard had used Using the oxygen system .

Ninety seconds after the plane landed Arriving and the doors were opened Openness , the heat of the fire and fresh oxygen from the open exit doors created Creating flashover conditions , and the plane 's interior immediately became Becoming engulfed Surrounding in flames , killing Killing 23 passengers who had yet to evacuate Escaping the aircraft .

Each miner was allotted Giving an oxygen pack , but the pack only guaranteed Commitment the miners six hours of oxygen .

Each miner was allotted Giving an oxygen pack , but the pack only guaranteed Commitment the miners six hours of oxygen .

The Governor of Coahuila , Humberto Moreira Valdés , told Telling the Televisa television network that the mine 's ventilation service Supply , which uses Using fans to import oxygen and export dangerous gases , was still in operation .

However , the February 21 edition of `` The Miami Herald '' remarked Statement , `` Even so , they could not be certain the precious oxygen was arriving Arriving to where the miners were trapped . ''

Early in the flight , the aircraft , which was climbing Motion_directional to its assigned altitude on autopilot , quickly lost Earnings_and_losses cabin pressure and all six on board were incapacitated Destroying due to hypoxia—a lack of oxygen .