Superseded by TCCA AD CF-2023-45
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must comply with the directive within 30 days of its effective date by updating the AFM and adhering to the MMEL restrictions when operating in 5G C-band interference zones. Aircraft with serial numbers 70001 to 70110 and 70112 require specific AFM revisions approved by Transport Canada. Operators should monitor NOTAMs for affected airports and ensure that any previously approved AMOCs for related directives are recognized for compliance.
Summary
The Canadian Airworthiness Directive CF-2022-61 addresses the impact of 5G C-band wireless broadband technology interference on Bombardier BD-700-2A12 aircraft. It mandates modifications to the aircraft flight manual (AFM) and restricts the use of certain minimal equipment list (MMEL) items to mitigate radio altimeter signal disruptions caused by 5G signals. This directive applies to all serial numbers of the Bombardier BD-700-2A12 model.
What changed
This directive introduces new AFM limitations and prohibits the use of specific MMEL items related to radio altimeter and flight control systems when operating in airspace where 5G C-band interference is present, as indicated by NOTAMs. It also requires updating the AFM for aircraft serial numbers 70001 to 70110 and 70112 to incorporate revised flight control system limitations. Previously approved alternative methods of compliance (AMOCs) for related directives are accepted for this directive as well.
Why it matters
This directive is critical for operators and maintenance personnel to ensure safe aircraft operations in environments affected by 5G C-band interference. The interference can cause unreliable radio altimeter data, impacting automatic flight control systems and increasing pilot workload during critical phases of flight such as takeoff and landing. Compliance helps maintain airworthiness and operational safety while avoiding unauthorized flight operations in affected airspace.
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