Possible effects of Thickened Anti-icing Fluids on Take off Rotation for Airplanes with Unpowered Elevator Controls
- Published
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What to do
Operators of aircraft with unpowered elevator controls should review and update winter operations training to include the effects of thickened anti-icing fluids on elevator control forces. Flightcrew operating procedures must incorporate manufacturer guidance on post-anti-icing fluid operations. Additionally, operators should ensure de/anti-icing service providers apply fluids within recommended thickness limits and brief flightcrews on potential control force changes before takeoff. No specific compliance deadline is stated.
Summary
EASA Safety Information Bulletin 2010-28 is a safety advisory addressing the possible effects of thickened Type II or IV anti-icing fluids on the takeoff rotation of airplanes with unpowered elevator controls, such as the BAE Systems ATP. It highlights incidents of rejected takeoffs due to increased elevator control forces required after anti-icing fluid application. The bulletin supports FAA Safety Alert for Operators SAFO 10001 and aims to inform European operators about these safety concerns during winter operations.
What changed
EASA SIB 2010-28 introduces awareness and recommended actions regarding the increased elevator control forces needed for takeoff rotation on aircraft treated with thickened anti-icing fluids. It emphasizes training and procedural updates for operators of airplanes with unpowered elevator controls to prevent rejected takeoffs caused by unfamiliar control forces. The bulletin does not mandate actions but aligns with FAA SAFO 10001 recommendations.
Why it matters
This bulletin matters because it addresses a safety risk where pilots may misinterpret the increased control forces as flight control failures, leading to rejected takeoffs at high speeds and potential runway overruns. Operators, training providers, and maintenance teams must understand and mitigate this risk to ensure safe winter operations and compliance with manufacturer procedures. Proper training and fluid application practices reduce the likelihood of operational disruptions and accidents.
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