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A four-place oxygen system is available for your airplane.
system, an oxygen cylinder, located behind the rear baggage compart
ment wall, supplies the oxygen.
erating pressure of 70 psi by a pressure regulator attached to the cylin
der.
A shutoff valve is included as part
oxygen cylinder filler valve is located on the left side of the rear baggage
compartment wall.
located in the overhead oxygen console.
Four oxygen outlets are provided; two in the overhead oxygen console
and two in the cabin ceiling just above the side windows; one at each of the
seating positions.
for the pilot, and three disposable type masks are provided for the passen
gers.
All masks are the partial-rebreathing type equipped with vinyl
plastic hoses and flow indicators.
A remote shutoff valve control, located adjacent to the pilot's oxygen
outlet, is used to shut off the supply of oxygen to the system when not in
use.
The control is mechanically connected to the shutoff valve at the
cylinder.
With the exception of the shutoff f unction, the system is com
pletely automatic and requires no manual regulation for change of altitude.
OXYGEN SYSTEM OPERATION.
Prior to flight, check to be sure that there is an adequate oxygen
supply for the trip, by noting the oxygen pressure gage reading.
to paragraph OXYGEN DURATION CALCULATION, and to the Oxygen
Duration Chart (figure
are acceSSible and in good condition.
Supplemental oxygen should be used by all occupants when cruising
above 10,000 feet.
it is often advisable to use oxygen at altitudes lower than 10, 000 feet
under conditions of night flying, fatigue, or periods of physiological or
emotional disturbances.
or alcohol will usually necessitate the use of oxygen at less than 10,000
feet.
7-6
OXYGEN SYSTEM
Cylinder pressure is reduced to an op
Cylinder pressure is indicated by a pressure gage
One permanent, microphone-equipped niask is provided
7-2), Also,
As described in the Cessna booklet "Man At Altitude,"
Also, the habitual and excessive use of tobacco
the regulator assembly.
of
check that the face masks and hoses
In this
An
Refer
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