but overpressure in the system could be another explanation,” it states. BEA points out that the first officer’s oxygen-mask storage box was replaced 10 flights before the accident.

Introduction Hypoxic challenge test consisting of breathing 15% FiO2 for 20 min with blood gas measurements is recommended by BTS guidelines for the assessment of the requirement for in-flight oxygen.

Stirring allows for homogenization and efficient gas exchange—this fact has been known for decades. Controlling the stirring ...

A Lufthansa spokesperson told Simple Flying that "the cockpit crew noticed a leakage in the Emergency Oxygen System for the passengers." They said that there were no issues with the system during ...

Dozens of United Airlines passengers started to panic when an automated emergency announcement told them to put on oxygen ...