[Federal Register Volume 74, Number 169 (Wednesday, September 2, 2009)]
[Notices]
[Page 45515]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E9-21068]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Advisory Circular 33.70-1, Guidance Material for Aircraft Engine 
Life-Limited Parts Requirements

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of issuance of advisory circular.

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SUMMARY: 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 Sec.  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.

DATES: The Engine and Propeller Directorate issued AC 33.70-1 on July 
31, 2009.

FOR FURTHER INFORMATION CONTACT: 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: [email protected].
    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.
    How to Obtain Copies: A paper copy of AC 33.70-1 may be obtained by 
writing to the U.S. Department of Transportation, Subsequent 
Distribution Office, DOT Warehouse, SVC-121.23, Ardmore East Business 
Center, 3341Q 75th Ave., Landover, MD 20785, telephone 301-322-5377, or 
by faxing your request to the warehouse at 301-386-5394. The AC will 
also be available on the Internet at http://www.faa.gov/regulations_policies (then click on ``Advisory Circulars'').

    Authority:  49 U.S.C. 106(g), 40113, 44701-44702, 44704.

    Issued in Burlington, Massachusetts, on July 31, 2009.
Francis A. Favara,
Manager, Engine and Propeller Directorate, Aircraft Certification 
Service.
[FR Doc. E9-21068 Filed 9-1-09; 8:45 am]
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