FAA regulations (14 CFR 91.211) require private pilots to use supplemental oxygen when flying above 12,500 feet MSL for over 30 minutes, continuously above 14,000 feet MSL, and for all occupants above ...

Question: How long will supplemental oxygen last after the masks drop in an emergency? — Submitted by reader John A., N.J. Answer: On typical airliners oxygen generators will last 10 to 14 minutes.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NASHVILLE, Tenn. (AP) — A lack of oxygen ...

Add Yahoo as a preferred source to see more of our stories on Google. Oxygen masks were wrongly deployed on an Air New Zealand flight, the New Zealand Herald reported. The plane had been descending ...