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 ...
Women. 1  Andrea AlfÃ¶ldi (born 1964), Hungarian race walker. 2  Andrea Allan (born 1946), American actress. 3  Andrea Anders (born 1975), American actress. 4  Andrea Armstrong (born 1982), former American collegiate basketball player. 5  Andrea Ãvila (born 1970), Argentine long and triple jumper. 6  Andrea Baker, American actress.