The expert reassured passengers that the oxygen mask is needed only briefly until pilots can bring the plane down to 10,000 feet, where the air has sufficient oxygen to breathe unaided.

NASHVILLE, Tenn. (AP) — A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital ...

NASHVILLE, Tenn. (AP) — A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital ...

A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital and prompting the military ...

NASHVILLE, Tenn. (AP) — A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital ...

NASHVILLE, Tenn. (AP) — A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital ...

NASHVILLE, Tenn. (AP) — A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital ...

NASHVILLE, Tenn. (AP) — A lack of oxygen that incapacitated the pilot and three passengers is likely what caused a private jet to become unresponsive before flying over the nation’s capital ...