35 Oxygen
TTP B1-L3 ATA 35 Beech 90 Series B2-L2 Oxygen 35 OXYGEN -00 General -10 Crew -20 Passenger -30 Portable Beech 90 Series is normally pressurized, the passengers and crew do not need supplemental oxygen. A high-pressure gaseous oxygen system is provided as a back up system in case of cabin depressurization or unpressurized flight. The aircraft is equipped with a single pressurized cylinder to provide oxygen to the crew and passengers. Oxygen is supplied to both the crew and the passengers through a single manifold system. The crew masks are a diluter-demand type while the passenger masks are the constant-flow style. The oxygen cylinder and regulator behind the aft pressure bulkhead provide oxygen for the crew and passengers. The cylinder is serviced through a fill valve in the oxygen service panel on the right side of the aft fuselage.The cylinder valve has fittings for high-pressur...