ANTI-ICE SYSTEMS
(CONf)
PITOTHEAT
Anti-ice protection for pitot head, stall warning vanes, total temperature
probe heater
(if
installed) is accomplished by setting
the
L and R PITOT
HEAT switches On.
PITOT
HEAT MONITOR (If installed)
A dual pitot
heat
monitor system may be installed
to
provide the crew with
a means of determining
if
sufficient current is being applied
to
the pitot head
heating elements.
-
On
aircraft equipped with Single PITOT HEAT light, with the
BAT
and
PITOT HEAT switches On, illumination of the PITOT
HEAT
light indi-
cates insufficient current is being applied to a pitot
head
heating element.
A failure in either system
will
cause the light
to
illuminate. The light
will
also illuminate whenever
the
BAT
switches are
On
and either PITOT
HEAT switch is OFF.
-On
aircraft equipped with L & R PITOT HEAT lights, a failure in a
pitot
head
heating system
will
illuminate the applicable light.
The
applica-
ble light
will
also illuminate whenever the
BAT
switches are
On
and
the
corresponding PITOT HEAT switch
is
OFF.
STATIC
PORT
HEAT
Heating elements for static ports are energized whenever the
BAT
switches
are
On. Therefore,
no
management by the crew
is
required.
FAA APPROVED 4-30-76
REISSUED 2-25-81, CHANGE
10
2-75
To Next Page
Loading...
