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SECTION 3
EMERG PROCEDURES
3.15 FIRE IN FLIGHT (3.3f)
The presence of fire is noted through smoke, smell, and heat in the cabin.
It is essential that the source of the fire be promptly identified through
instrument readings, character of smoke, or other indications since the
action to be taken differs somewhat in each case.
Check for the source of the fire first.
If pressurized, the following procedure will result
in an immediate loss of pressurization and the
cabin altitude will rise at an uncontrolled rate.
If an electrical fire is indicated (smoke in cockpit), place the cabin
pressure dump/normal switch in the DUMP position and PULL the cabin
pressurization control to clear the smoke. After a delay of 5 seconds turn off
the battery master and alternator switches. The cabin heat should also be
turned OFF.
Activation of the Ground Clearance switch can be
used to maintain communications on Comm 1.
The cabin pressure dump valve will remain open
if the cabin pressure dump/normal switch is
positioned to DUMP prior to turning the aircraft
electrical system OFF. This provides maximum
airflow through the cabin for smoke evacuation.
Do not set the cabin pressure dump/normal
switch to NORM. The dump valve will close and
cannot be reactivated unless electrical power is
turned ON.
An emergency descent should be executed to a safe altitude consistent
with terrain and a landing made as soon as possible.
If emergency oxygen is installed, use ONLY if
flames and heat are not present.
If an engine fire is present, close the throttle, move the mixture control to
idle cut-off and place the fuel selector in the OFF position. Turn the magneto
switches OFF and check that the emergency (EMERG) fuel pump is OFF. In
REPORT: VB-1710
3-26
NOTE
NOTE
CAUTION
WARNING
ISSUED: FEBRUARY 23, 1999
PA-46-350P, MALIBU
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