7-29 CABIN FEATURES
CABIN FIRE EXTINGUISHERS
A portable re extinguisher is installed in each crew door and on the aft
bulkhead. The crew re extinguishers are readily accessible to the crew in
case of a re and the aft re extinguisher may be used by aft passengers or
another crew member. The extinguishers should be checked periodically to
ensure their bottle pressure is within limits and the operating lever lock pin is
in place and secure.
To operate the re extinguisher:
1. Loosen the retaining clamp/clamps and remove the extinguisher from the
mounting bracket.
2. Hold the extinguisher upright, pull the lock pin, and press the lever while
directing the discharge at the base of the re near the edge. Sweep the
discharge back and forth across the edge of the re, progressing to the
back of the re as it extinguishes.
3. Use caution as to not direct the initial discharge directly at the burning
material at close range (less than 5-8 feet). The high velocity of the
extinguishing agent may cause splashing and/or scattering of the burning
material.
4. Discharge duration of approximately ten seconds may be expected for each
of the crew extinguishers and the aft bulkhead extinguisher.
CABIN USB PORTS
Four USB ports are available as an optional upgrade for passenger use in
the cabin. They are located at Fuselage Station 108 near the headset jacks.
Power is provided through the “Cabin Lights” circuit breaker. This circuit
breaker must be engaged for the USB ports to operate. The charging ports
are limited to use during cruise only.
The USB ports have several protective features built in that can affect use. If
the aircraft voltage supplied to the ports is reduced signicantly or if a high
amount of current is supplied, the ports will stop working until the voltage
or current returns to proper levels. The rate at which the external devices
are being charged by the ports can decrease if the temperature of the ports
becomes elevated. Once the temperature of the ports reduces to normal
limits, the rate of charge will return to normal.
NOTE: Fire extinguishers should be recharged by a qualied re
extinguisher agency after each use. After recharging the extinguisher,
secure it to the mounting bracket. Do not allow the re extinguisher to lie
loose on the oor or seats.
WARNING: Promptly ventilate the cabin with fresh air and open the
storm window after successfully extinguishing of the re, to reduce
inhalation of toxic by-products.
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