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庞巴迪挑战者605公务机机组操作手册 CL605-应急设备 EMERGENCY_EQUIPMENT(2)

时间:2011-10-28 11:45来源:蓝天飞行翻译 作者:公务机
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An 1,850-psi gaseous oxygen system is installed at the factory to supply oxygen to the flight crew and passengers during an emergency. The oxygen system consists of the following subsystems:
.
Flight compartment;

.
Passenger compartment;

.
Therapeutic; and

.
Portable oxygen bottle.


There are two different configurations of oxygen supply bottles installed on the Challenger 605. Although each configuration is unique, there is no difference in operation.

Components and Operation
The oxygen baseline installation is one oxygen bottle of 115 cu. ft., installed in the wardrobe area.
There is the option of a second bottle of 40 cu. ft., which can be installed under the cockpit floor on the right hand side.
Oxygen for the flight crew is provided through a diluter demand regulating system. A quick-donning, inflatable harness mask is installed in a container at each side console.

Portable Oxygen Bottle
A portable oxygen bottle is provided for the crew to use in moving around the cabin, and is normally located in a placarded position behind the pilot.

Passenger Compartment
Dropdown masks installed above all of the passenger seats and in the lavatory provide passenger oxygen. The passenger masks are fixed-dilution (free-flow) type, which provide a mixture of oxygen and cabin air at ambient pressure. They are designed for use at cabin pressure altitudes below 25,000 feet. When the passenger oxygen system is active, the PAX OXY ON caution EICAS message is displayed.


 EMERGENCY EQUIPMENT Description  Vol. 2  08.10.2 
Oct 05/06 


Therapeutic
Provisions are made to install therapeutic oxygen ports in the passenger compartment. This system is used for first aid, and normally supplies oxygen to four ports (forward left, aft left, forward right and aft right) at mid-height along the cabin.
Controls and Indicators

Overboard Discharge Indicator(s)
If the oxygen storage bottle pressure becomes excessive, all oxygen will be vented overboard through a relief valve in the right forward fuselage.
A green frangible disk located below and aft of the ground servicing panel will fragment to indicate the relief valve has activated due to an overpressure. The relief valve will activate when the HP module pressure exceeds approximately 2,800 psi, or when the LP module pressure exceeds 90 psi.
An amber OXY LO PRESS caution message will be displayed on the EICAS when the oxygen pressure falls below 800 psi.


 EMERGENCY EQUIPMENT Description  Vol. 2  08.10.3 
Oct 05/06 


Oxygen System Panel Figure 08.10.1

Flight Compartment
Oxygen for the flight crew is provided through a diluter demand regulating system. A quick-donning, inflatable-harness mask is installed in a container at each side console.
Each container has a test lever, a yellow flow (eye) indicator, oxygen ON flag, a set of quick-release doors, and connections for the oxygen and communications lines.
 
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