- Engine and Turbosupercharger Rotor Overspeed Requirements of 14 CFR § 33.27.
- Date issued
- Office of Primary Responsibility
- ANE-111, Aircraft Certification Service Engine & Propeller Directorate - Rulemaking & Policy
This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, for demonstrating compliance with the rotor strength (overspeed) requirements of Title 14 of the Code of Federal Regulations (14 CFR) 33.27.
- AC 33.27-1A (PDF)