Importance to Members. Most pilots don't think too much about using portable oxygen. Sure, everyone knows that you have to use supplemental oxygen if you fly more than 30 minutes at cabin pressure altitudes of 12,500 feet or higher. And that at cabin altitudes above 14,000 feet pilots must use oxygen at all times.
Andrea Naversen is a veteran newscaster, network television correspondent, newspaper reporter, magazine editor, author and actress. She is currently ...
Andrea (/ËaendriÉ, ËÃ¦ndriÉ-, ËÉËn/) ÉËnËdreÉªÉ is a given name which is common, worldwide cognate To. Andrew it is traditionally popular, because according to The Christian, Bible Saint andrew was one of the earliest disciples Of jesus and one of the Twelve. apostles