14 CFR · Part 25
14 CFR § 25.1445
Equipment standards for the oxygen distributing system.
(a)
When oxygen is supplied to both crew and passengers, the distribution system must be designed for either—
(1)
A source of supply for the flight crew on duty and a separate source for the passengers and other crewmembers; or
(2)
A common source of supply with means to separately reserve the minimum supply required by the flight crew on duty.
(b)
Portable walk-around oxygen units of the continuous flow, diluter-demand, and straight demand kinds may be used to meet the crew or passenger breathing requirements.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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