SR-Series Workbook ___________________________________________________
Cirrus Aircraft, Duluth, MN
9.4 Ice Protection System
Before conducting training you will need to be familiar with the following:
Limitations of the system
Knowledge of effects of airframe icing
Pilots operating Flight Into known Icing (FIKI) approved airplanes
are required to complete the online training course found in the
Cirrus Training Portal (training.cirrusaircraft.com)
1. Is flight into known icing approved for your aircraft?
2. What is the total deicing fluid capacity for your airplane?
3. The Pitot Heat should be limited to ______seconds on the
ground? (FIKI)
4. What is the minimum dispatch fluid quantity? (FIKI) How much
endurance (time) do you have at the three different modes?
(when at the minimum dispatch level)
5. Describe how and when to use the different modes of the ice
protection system. What are the endurance times for the
different TKS modes available for your aircraft? Assuming full
TKS on departure
6. During an approach to landing with ice conditions present, what
changes would you make to your landing procedures?
7. What should be your airspeed during an icing encounter? Max
Speed? Minimum Speed?
Hint: During certain flight conditions, such as at higher
operating altitudes and/or higher airspeeds, the stagnation
point on the leading edge of the wing (the point where the
airflow splits) will move up and aft enough to hinder the deicing
fluid from flowing adequately along the top surface of the wing.
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