[Federal Register Volume 70, Number 190 (Monday, October 3, 2005)]
[Notices]
[Page 57642]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 05-19598]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Advisory Circular 33.4-3, Instructions for Continued 
Airworthiness; Aircraft Engine High Intensity Radiated Fields (HIRF) 
and Lightning Protection Features

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) 
33.4-3, Instructions for Continued Airworthiness; Aircraft Engine High 
Intensity Radiated Fields (HIRF) and Lightning Protection Features. 
This AC sets forth acceptable methods of compliance for aircraft 
engines with the provisions of Sec.  33.4, Instructions for Continued 
Airworthiness of Title 14 of the Code of Federal Regulations (14 CFR). 
This AC provides guidance for developing instructions for continued 
airworthiness to ensure the continued airworthiness of aircraft engine 
HIRF and Lightning protection features.

DATES: The Engine and Propeller Directorate issued Advisory Circular 
33.4-3 on September 16, 2005.

FOR FURTHER INFORMATION CONTACT: The Federal Aviation Administration, 
Attn: Gary Horan, Engine and Propeller Standards Staff, ANE-111, 12 New 
England Executive Park, Burlington, MA 01803-5299; telephone: (781) 
238-7164; 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 33.4-3 may be obtained by 
writing to the U.S. Department of Transportation, Subsequent 
Distribution Office, DOT Warehouse, SVC-121.23, Ardmore East Business 
Center, 3341 Q 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/, select 
``Regulations and Policies'' then the link titled ``Advisory 
Circulars.''

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

    Issued in Burlington, Massachusetts, on September 16, 2005.
Fran A. Favara,
Acting Manager, Engine and Propeller Directorate, Aircraft 
Certification Service.
[FR Doc. 05-19598 Filed 9-30-05; 8:45 am]
BILLING CODE 4910-13-M