EASA AD CF-2026-43
Ice and Rain Protection – Wing Anti-Ice – Aircraft Flight Manual Procedure Anomaly - Amendment
Summary
Canadian Airworthiness Directive CF-2026-43 addresses an anomaly in the Aircraft Flight Manual (AFM) procedures related to wing anti-ice protection for MHI RJ Aviation ULC model CL-600-2B19 aircraft. The directive mandates amendments to the emergency and abnormal procedures sections of the AFM to correct misleading instructions during wing overheat events and icing conditions. This ensures proper guidance for flight crews to maintain safe flight and landing operations.
What Changed
CF-2026-43 requires updating Chapter 3 (Emergency Procedures) and Chapter 5 (Abnormal Procedures) of the Transport Canada approved AFM by inserting revised procedures provided in the directive's figures. These changes correct procedural anomalies that could prematurely end wing overheat procedures or fail to direct subsequent necessary actions. The amendment improves clarity and safety in wing anti-ice operations.
Why It Matters
This directive is critical for operators and maintenance teams because the previous AFM procedures could lead to wing leading edge overheating or loss of anti-ice protection, risking flight safety. Compliance ensures flight crews receive accurate instructions during icing or overheat events, reducing the risk of in-flight incidents. It also supports regulatory compliance under Canadian Aviation Regulations.
What To Do
Operators of MHI RJ Aviation ULC CL-600-2B19 aircraft must amend their AFMs within 60 days of the effective date by inserting the updated emergency and abnormal procedures as specified in CF-2026-43. Flight crews must be informed of these changes and operate the aircraft according to the revised procedures. The effective date for compliance is 14 September 2026.
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