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33.70-2 - Damage Tolerance of Hole Features in High-Energy Turbine

Date Issued
August 28, 2009
Responsible Office
ANE-111,  Aircraft Certification Service Engine & Propeller Directorate - Rulemaking & Policy


This advisory circular (AC) provides definitions, guidance, and acceptable methods, but not the only methods, that may be used to demonstrate compliance with requirements in § 33.70 of Title 14 of the Code of Federal Regulations related to the integrity of engine life-limited parts. Section 33.70 contains requirements applicable to the design and life management of propulsion system life-limited parts, including high-energy rotating parts.