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33.27-1A - Engine and Turbosupercharger Rotor Overspeed Requirements of 14 CFR § 33.27.

Date Issued
July 18, 2011
Responsible Office
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.