Document Headings

                    Document headings vary by document type but may contain                    the following:                  
                -                       the agency or agencies that issued and signed a document                    
                -                       the number of the CFR title and the number of each part                      the document amends, proposes to amend, or is directly                      related to                    
                -                       the agency docket number / agency internal file number                    
                -                       the RIN which identifies each regulatory action listed in                      the Unified Agenda of Federal Regulatory and Deregulatory                      Actions                    

                    See the                                          Document Drafting Handbook                                        for more details.                  

###### 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) 33.83A, Turbine Engine Vibration Test. This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the vibration test requirements of § 33.83 of Title 14 of the Code of Federal Regulations (14 CFR part 33). This AC cancels AC 33.83, dated February 14, 1997.

# DATES:

Advisory Circular 33.83A was issued by the Manager of the Engine and Propeller Directorate, Aircraft Certification Service, on September 29, 2006.

# FOR FURTHER INFORMATION CONTACT:

                        The Federal Aviation Administration, Attn: Dorina Mihail, Engine and Propeller Standards Staff, ANE-110, 12 New England Executive Park, Burlington, MA 01803-5299; telephone: (781) 238-7153; fax: (781) 238-7199; e-mail:                         *dorina.mihail@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 33.83A 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.)

      ( print page 62655)    
Issued in Burlington, Massachusetts, on September 29, 2006.

Francis A. Favara,

Manager, Engine and Propeller Directorate, Aircraft Certification Service.

[FR Doc. 06-8890 Filed 10-25-06; 8:45 am]

BILLING CODE 4910-13-M