Oxygen System Flashcards
G650 has separate oxygen bottles for
crew and passengers. How are the
bottles connected and serviced?
Through a common line
Ref: AOM 2A
What’s the location of oxygen
service panel?
Right side of aircraft opposite the main door
Ref: AOM 2A
When does overboard discharge
occur?
High pressure in high pressure system, high pressure
in low pressure system or high temperature
Ref: AOM 2A
Where are the oxygen control panels
located?
On flight deck: one controls oxygen to cockpit and
one controls oxygen to passengers.
Ref: AOM 2A
At what cabin altitude do passenger
masks automatically deploy?
When sensed cabin altitude reaches approximately
14,750 feet with HIGH ALT switch in normal and
approximately 15,750 feet with HIGH ALT switch
selected (i.e., lighted)
Ref: AOM 2A
What kind of test is performed with
PRESS-TO-TEST AND RESET
control switch on oxygen mask
storage box?
Leak check
Ref: AOM 2A
What would indicate a leak in
oxygen system while pressing and
holding the PRESS-TO-TEST AND
RESET control switch?
Blinker remains yellow
Ref: AOM 2A
When the mask is removed from
storage container, what activates the
shutoff valve?
The open doors
Ref: AOM 2A
How is the mask microphone
activated
By selecting MIC button on Audio Control Panel
(ACP) to the extended or mask position (onside
speaker is also automatically selected).
Ref: AOM 2A
What’s the difference between
oxygen selections of NORMAL and
100% on the mask/regulator?
In NORMAL, you get diluted oxygen and with 100%
selected, you get undiluted oxygen
Ref: AOM 2A
What’s the difference between
selections of NORMAL (fully
counterclockwise) and
EMERGENCY (fully clockwise)?
In NORMAL, it allows regulator to provide diluter-
demand flow, and in EMERGENCY position, it sets
regulator to provide constant pressure of undiluted
oxygen.
Ref: AOM 2A
How can the tension in mask harness
be adjusted to make it more
comfortable?
By using a comfort toggle on the front of mask
What action must passengers perform
to get oxygen to flow into passenger
mask retaining bag?
Pull on lanyard to remove flow pin
The crewmember Protective
Breathing Equipment (PBE) is a self-
contained, portable, personal
breathing device designed to
safeguard wearer from the effects of
smoke, carbon dioxide, harmful
gases, and oxygen deficiency while
managing in-flight fire, smoke or
fume emergencies. How many are on
the aircraft?
Two: one installed in flight deck and the other
installed in vicinity of baggage compartment.
Max and min O2 for dispatch?
1800psi max
1500psi min
