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How It Works: TKS Ice Protection System

TKS systems dispense an ethylene glycol-based fluid through porous titanium panels attached to the leading edge of the wing and empennage. Illustration by Bryan Christie Design
Gemini Sparkle

Key Takeaways:

  • TKS systems, developed during WWII, provide critical time for pilots to implement exit strategies in dangerous icing conditions, serving as an alternative to pneumatic boot deicing.
  • They operate by dispensing an ethylene glycol-based fluid through porous titanium panels on the wing and empennage, and via slinger rings and nozzles for propellers and windshields, to prevent ice formation and adherence.
  • These "weeping wing" systems offer superior airframe protection compared to booted or thermal systems and benefit from increased reliability and reduced maintenance due to their single moving part.
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First developed in World War II, TKS systems were created for Royal Air Force bombers as an alternative to pneumatic boot deicing. Today, the technology continues to buy crucial time for pilots as they work to implement exit strategies when faced with dangerous icing conditions.

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