14 C.F.R. § 25.1449 Means for determining use of oxygen.
Title 14 - Aeronautics and Space
There must be a means to allow the crew to determine whether oxygen is being delivered to the dispensing equipment.
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart F—Equipment
Miscellaneous Equipment
§ 25.1449 Means for determining use of oxygen.
