by Dave Weiman I have always followed the FAA requirement to use oxygen for any flight over 30 minutes at 12,500 feet MSL and above, but seldom go that high,…
Serving the Midwest Aviation Community Since 1978
by Dave Weiman I have always followed the FAA requirement to use oxygen for any flight over 30 minutes at 12,500 feet MSL and above, but seldom go that high,…