2. The
Normal
Procedures
Secliou
of
the
AFM
by
incorporating the
following:
THE
FOLLOWING
WEATHER
CONDITIONS
MAY
BE
CONDUCIVE
TO
SEVERE
IN-FLIGHT
ICING:
• Visible rain
at
temperatures
below
0 degrees Celsius ambient air
temperature.
• Droplets that splash or splatter
on
impact at temperatures below 0
degrees Celsius ambient air temperature.
PROCEDURES
FOR
EXITING
A
SEVERE
ICING
ENVIRONMENT:
(These procedures are applicable
to
allflight phases
from take-offto landing.)
Monitor
the ambient air temperature.
While severe icing
may
form at temperatures as
cold
as
-18
degrees
Celsius, increased vigilance is warranted
at
temperatures around freezing
when visible moisture is present.
If
the visual cues which are specified in the Limitations Section
of
the
AFM
for identifying severe icing conditions are observed, accomplish the
following:
• Immediately request priority handling from
Air
Traffic Control to
facilitate a route or an altitude change to exit the severe icing
conditions
in
order to avoid extended exposure to flight conditions
more severe than those for which the aircraft has been certificated.
• Avoid abrupt and excessive manoeuvring that
may
exacerbate
control difficulties.
•
Do
not
engage the autopilot.
•
If
the autopilot had previously been engaged,
hold
the control wheel
firmly and disengage the autopilot.
•
If
an unusual roll response or un-commanded roll control movement
is
observed, reduce the angle-of-attack.
•
Do
not extend flaps when holding in icing conditions. Operation
with flaps extended can result
in
a reduced wing angle-of-attack,
with the possibility
of
ice forming on the upper surface further aft
on
the wing than normal, possibly aft
of
the protected area.
•
If
the flaps are extended, do
not
retract them until the airframe is
clear
of
ice.
• Report these weather conditions to Air Traffic Control.
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