Veteran’s Corner: Hypoxia in a Huey

Sunny Shin

By Sunny Shin Most in-air emergencies grab your attention immediately. When your engine quits, you have no doubt what is happening, but when your brain starts to shut down, you may not even notice. Such is the danger of hypoxia. Hypoxia is a condition in which the body is deprived of adequate oxygen supply at the tissue level. Typically hypoxic conditions occur at cabin pressure altitudes of 12,500 feet or higher for 30 minutes or more. Flights above fifteen thousand feet require supplemental oxygen for each occupant of the aircraft.…