Federal Aviation Administration (FAA), DOT.
Notice of issuance of advisory circular.
This notice announces the issuance of Advisory Circular (AC) 33.70-1, Guidance Material for Aircraft Engine Life-limited Parts Requirements. This AC provides definitions, guidance, and acceptable methods that may be used to demonstrate compliance with the engine life-limited parts integrity requirements of § 33.70 of Title 14 of the Code of Federal Regulations. Section 33.70 contains requirements applicable to the design and life management of propulsion system life-limited parts including high-energy rotating parts.
The Engine and Propeller Directorate issued AC 33.70-1 on July 31, 2009.
The Federal Aviation Administration, Attn: Timoleon Mouzakis, Engine and Propeller Standards Staff, ANE-111, 12 New England Executive Park, Burlington, MA 01803-5299; telephone: (781) 238-7114; fax: (781) 238-7199; e-mail:
We have filed in the docket all substantive comments received, and a report summarizing them. If you wish to review the docket in person, you may go to the above address between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. If you wish to contact the above individual directly, you can use the above telephone number or e-mail address provided.
49 U.S.C. 106(g), 40113, 44701-44702, 44704.