Under 14 CFR 91.211, what is the oxygen requirement for an unpressurized aircraft operating at cabin pressure altitudes above 12,500 feet MSL up to and including 14,000 feet MSL?
- AThe minimum required flight crew must use supplemental oxygen for that part of the flight…
- BSupplemental oxygen must be used continuously by all occupants for the entire flight abov…
- CThe minimum required flight crew must use supplemental oxygen continuously regardless of…
- DPassengers must be provided with supplemental oxygen for any flight duration exceeding 30…