8 of 48 P/N 13772-134
Section 9 Cirrus Design
Supplements SR22 / SR22T
Section 3 - Emergency Procedures
A failure of the Anti-Ice System is any condition, observed or
suspected, in which the system fails to remove ice from protected
surfaces including the propeller, in addition to any Anti-Ice System
CAS failure annunciations. An unobserved failure may be indicated by
a decrease in airspeed, anomalous handling characteristics, or
airframe vibrations.
• Note •
Significant loss in cruise or climb performance may be an
indication of propeller ice accretions that are not visible to the
naked eye. Operation of the engine at 2700 RPM will help
shed ice in severe icing conditions.
• Caution •
Continuous ice accumulations on protected areas are
abnormal.
• WARNING •
With ice accumulations on the horizontal stabilizer leading
edge, flaps should remain retracted for landing and the
landing speed increased accordingly.
With asymmetrical ice accumulations on large portions of the
wing or horizontal stabilizer, avoid flight at speeds less than 95
KIAS.
Revision 05: 09-20-12
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