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###### Department of Transportation

###### Federal Aviation Administration

# AGENCY:

Federal Aviation Administration (FAA), DOT.

# ACTION:

 Notice of issuance of advisory circular.

# SUMMARY:

This notice announces the issuance of Advisory Circular (AC) 33.75-1A, Guidance Material for 14 CFR 33.75. This advisory circular (AC) provides guidance and describes acceptable methods, but not the only methods, for demonstrating compliance with the safety analysis requirements of § 33.75 of Title 14 of the Code of Federal Regulations (14 CFR). The information provided in this AC replaces the guidance in AC 33.75-1, issued on March 4, 2005.

# DATES:

The Engine and Propeller Directorate issued AC 33.75-1A on September 26, 2007.

# FOR FURTHER INFORMATION CONTACT:

                        The Federal Aviation Administration, Attn: Robert Grant, Engine and Propeller Standards Staff, ANE-110, 12 New England Executive Park, Burlington, MA 01803-5299; telephone: (781) 238-7739; fax (781) 238-7199; e-mail:                         *robert.grant@faa.gov.*

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 33.75-1A 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 September 26, 2007.

Thomas A. Boudreau,

Acting Manager, Engine and Propeller Directorate, Aircraft Certification Service.

[FR Doc. 07-5103  Filed 10-16-07; 8:45 am]

BILLING CODE 4910-13-M