Register

Anti-Ice Systems, And How To Use Them

Flight in known icing is one of the challenges of flying equipped aircraft. The systems and their limitations is another.

** FAA Administrator Randy Babbitt**
Gemini Sparkle

Key Takeaways:

  • The article defines anti-icing as systems and procedures designed to *prevent* ice formation on aircraft surfaces, distinguishing it from de-icing systems that remove existing ice.
  • Various anti-icing technologies, such as electrical heating elements, hot bleed air, and chemical fluids (like the TKS system), are employed to protect critical components including pitot/static systems, windshields, propellers, and engine intakes.
  • The TKS ("weeping wing") system is a prominent anti-icing method that dispenses an ethylene glycol-based fluid over flight surfaces; however, its operational duration is limited by the finite fluid supply.
  • Pilots operating in known icing conditions must continuously monitor aircraft performance, understand system capabilities, and make prudent decisions, as anti-icing systems are primarily designed for temporary protection to allow an escape from hazardous weather.
See a mistake? Contact us.

Some subjects in aviation are covered during flight training in an academic sense, but their practical application presents challenges. For example, most of what I was taught about SIDs and STARs involved writing, “No SID/STAR” in the flight plan form’s remarks section. In a similar vein, most of what I learned about in-flight icing while bombing around in a Skyhawk was avoidance: Recognize the symptoms and find the fastest way out.

Once I transitioned to aircraft approved for flight-in-known-icing (FIKI), the opportunities increased as much as the flight planning. Additional systems needed to be checked and when I’m in the thick of it, the amount of monitoring substantially increases. In other words, there’s no free lunch.

Ready to Sell Your Aircraft?

List your airplane on AircraftForSale.com and reach qualified buyers.

List Your Aircraft
AircraftForSale Logo | FLYING Logo
Pilot in aircraft
Sign-up for newsletters & special offers!

Get the latest stories & special offers delivered directly to your inbox.

SUBSCRIBE