Transportation Department, Federal Aviation Administration
The FAA proposes to supersede Airworthiness Directive (AD) 2024-05-13, which applied to all Embraer S.A. Model EMB-545 and EMB-550 airplanes. AD 2024-05-13 requires revising the Limitations and Normal Procedures sections of the existing airplane flight manual (AFM) to incorporate new operational airspeed limitations, and flight control limitations and approach procedures when angle of attack (AOA) limiter protection is engaged. AD 2024-05-13 also requires inspecting records for instances of AOA limiter engagement during a certain phase of flight and reporting findings to the FAA. Since the FAA issued AD 2024- 05-13, the manufacturer developed a modification to the flight control computer (FCC) software and related AFM revisions. This proposed AD would continue to require certain actions in AD 2024-05-13. This proposed AD would also require updating the FCC software and incorporating a new revision of the existing AFM, which would terminate the operational airspeed limitations, and flight control limitations and approach procedures when AOA limiter protection is engaged. The FAA is proposing this AD to address the unsafe condition on these products.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2026-11796; Project Identifier MCAI-2025-01206-T] RIN 2120-AA64 ( printed page 62344) AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). SUMMARY: The FAA proposes to supersede Airworthiness Directive (AD) 2024-05-13, which applied to all Embraer S.A. Model EMB-545 and EMB-550 airplanes. AD 2024-05-13 requires revising the Limitations and Normal Procedures sections of the existing airplane flight manual (AFM) to incorporate new operational airspeed limitations, and flight control limitations and approach procedures when angle of attack (AOA) limiter protection is engaged. AD 2024-05-13 also requires inspecting records for instances of AOA limiter engagement during a certain phase of flight and reporting findings to the FAA. Since the FAA issued AD 2024-05-13, the manufacturer developed a modification to the flight control computer (FCC) software and related AFM revisions. This proposed AD would continue to require certain actions in AD 2024-05-13. This proposed AD would also require updating the FCC software and incorporating a new revision of the existing AFM, which would terminate the operational airspeed limitations, and flight control limitations and approach procedures when AOA limiter protection is engaged. The FAA is proposing this AD to address the unsafe condition on these products. DATES: The FAA must receive comments on this prop…
Citation: 91 FR 62344
