[Federal Register Volume 66, Number 11 (Wednesday, January 17, 2001)]
[Notices]
[Page 4051]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 01-1285]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Advisory Circular; Damage Tolerance for High Energy Turbine 
Engine Rotors

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of issuance of final advisory circular (AC) on damage 
tolerance for high energy turbine engine rotors.

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SUMMARY: This notice announces the issuance of Advisory Circular (AC) 
No. 33.14-1, Damage Tolerance for High Energy Turbine Rotors.

DATES: Advisory Circular No. 33.14.1, was issued by the New England 
Aircraft Certification Service, Engine and Propeller Directorate on 
January 8, 2001.

FOR FURTHER INFORMATION CONTACT: Tim Mouzakis, Engine and Propeller 
Standards Staff, ANE-110, at the above address, telephone (781) 238-
7114, fax (781) 238-7199. A copy of the subject AC may also be obtained 
electronically by writing to the following Internet address: 
``[email protected]''. Additionally, you may obtain a copy of the AC 
directly from the internet at the following address: ``http://
www.faa.gov/avr/air/acs/achome.htm''.

SUPPLEMENTARY INFORMATION: This advisory circular (AC) provides 
guidance and information on acceptable methods, but not the only 
methods of compliance with Sec. 33.14 of the Federal Aviation 
Regulations, Title 14 of the Code of Federal Regulations. Section 33.14 
contains requirements of life management requirements applicable to the 
design and life management of titanium alloy high energy rotating parts 
of aircraft engines. Although this AC does refer to regulatory 
requirements that are mandatory, this ACT is not, in itself, mandatory. 
This AC neither changes any regulatory requirement nor authorizes 
changes in or deviations from the regulatory requirements.
    This advisory circular would be published under the authority 
granted to the Administrator by 49 U.S.C. 106(g), 40113, 44701-44702, 
44704, provides guidance for Damage tolerance for high energy turbine 
engine rotors.

    Issued in Burlington, Massachusetts, on January 8, 2001.
David A. Downey,
Assistant Manager, Engine and Propeller Directorate, Aircraft 
Certification Service.
[FR Doc. 01-1285 Filed 1-16-01; 8:45 am]
BILLING CODE 4910-13-M