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d. Avoid taxiing without adequate forward visibility.
Heated Stall Warning Vane Malfunction
Airframe buffet before the stall is a good indication of an impending
stall.
The stall warning horn typically activates prematurely when there is ice
accumulated on the stall warning vane.
Some ice accumulation on the inboard/outboard edges of the stall
warning transducer faceplate is considered normal.
If ice forms on stall warning vane:
1. STALL VANE HEAT Circuit Breaker ....................................CYCLE
2. PITOT HEAT Switch .............................................CYCLE OFF, ON
If ice remains on stall warning vane:
1. Stall Warning System..........EXPECT NO RELIABLE INDICATION
This includes:
a. Impending stall warning.
b. Stall speed indication.
2. Airspeed..............................................MONITOR, DO NOT STALL
3. Fly published VREF speeds .........Minimum 88 KIAS with 50% Flap
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SR22 Supplements
Static System Malfunction
If erroneous readings on the pilot’s flight instruments are suspected
the static button(s) on side of fuselage may be obstructed. Refer to
Section 3A - Abnormal Procedures, Static Source Blocked in the basic
handbook.
Anti-Ice System CAS Annunciations
• Note •
During Anti-Ice System activation, system mode changes,
operation at temperatures above freezing or with warm antiice
fluid, occasional ANTI ICE annunciations are normal.
Low Flow Rate Warning
1. ICE PROTECT A and B Circuit Breakers.................................SET
2. Anti-Ice - TKS Quantity ....................SWITCH TO FULLEST TANK
3. WIND SHLD Push-Button...................................................PRESS
a. Repeat operation of windshield pump to verify system is
primed properly as evidenced by anti-ice fluid exiting
windshield nozzles.
4. ICE PROTECT Mode Switch .................................................HIGH
If warning annunciation extinguishes:
a. Anti-Ice System .......................................................MONITOR
If warning annunciation does not extinguishes or intermittent:
a. PUMP BKUP Switch............................................................ON
b. Icing Conditions.................................................. AVOID / EXIT
ANTI ICE FLO
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Section 9 Cirrus Design
Supplements SR22
Tank Control Failure Warning
Control of Anti-Ice fluid tank is unreliable.
1. Icing Conditions ........................................................ AVOID / EXIT
Low Fluid Quantity Caution and Warning
ANTI ICE QTY Warning: Anti-Ice fluid is less than 0.5 gallon. (1.9 L)
ANTI ICE QTY Caution: Anti-Ice fluid is less than 1.0 gallon. (3.8 L)
• Note •
Depending on the selected flow rate, ANTI ICE QTY
annunciation may occur at lower fluid quantities
1. Icing Conditions ........................................................ AVOID / EXIT
AOA Probe Overheat Warning
• Note •
AOA OVERHEAT Warning annunciation may occur in flight
when Pitot Heat is turned on above 90°F (32°C) OAT.
1. PITOT HEAT Switch .................................................................OFF
2. Icing Conditions ..........................................................AVOID/EXIT
AOA Probe Overheat Caution
Ground operation of Pitot Heat has exceeded 45 seconds.
1. PITOT HEAT Switch .................................................................OFF
ANTI ICE CTL
ANTI ICE QTY
AOA OVERHEAT
Revision 02: 11-17-09
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Cirrus Design Section 9
SR22 Supplements
High Pressure Caution
PFD Alerts Window displays: “Pressure is high (TKS).”
Typically indicates clogged filter.
1. Evidence of Anti-Ice Flow .............................. MONITOR / VERIFY
2. Icing Conditions ........................................................ AVOID / EXIT
Persistent Low Pressure Caution.
PFD Alerts Window displays: “Tail pressure is low (TKS).”
• Caution •
The Persistent Low Pressure Caution indicates a condition in
the tail section of Anti-ice System and warrants increased
caution because the tail section’s smaller leading edge radius
will typically collect ice more quickly and ice accretion is more
difficult to monitor.
1. ICE PROTECT A and B Circuit Breakers.................................SET
2. Anti-Ice - TKS Quantity ....................SWITCH TO FULLEST TANK
3. WIND SHLD Push-Button...................................................PRESS
　
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