[Federal Register Volume 62, Number 112 (Wednesday, June 11, 1997)]
[Notices]
[Page 31860]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 97-15310]



[[Page 31860]]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Advisory Circular 20-128A, Design Considerations for Minimizing 
Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit 
Rotor Failure

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of issuance of advisory circular.

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SUMMARY: This notice announces the issuance of Advisory Circular (AC) 
20-128A, Design Considerations for Minimizing Hazards Caused by 
Uncontained Turbine Engine and Auxiliary Power Unit Rotor Failure. This 
AC sets forth a method of compliance with the requirements of the 
Federal Aviation Regulations pertaining to design precautions taken to 
minimize the hazards to an airplane in the event of uncontained engine 
or auxiliary power unit (APU) rotor failures. The guidance provided 
within this AC is harmonized with that of the European Joint Aviation 
Authorities (JAA) and is intended to provide a method of compliance 
that has been found acceptable.

DATES: Advisory Circular 20-128A was issued by the Manager, Aircraft 
Engineering Division, AIR-100, on March 25, 1997.

HOW TO OBTAIN COPIES: A copy may be obtained by writing to the U.S. 
Department of Transportation, Subsequent Distribution Office, DOT 
Warehouse, SVC-121.23, 3341Q 75th Avenue, Landover, MD 20785, or faxing 
your request to that office at 301-5394.

    Issued in Renton, Washington, on June 3, 1997.
Darrell M. Pederson,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service, ANM-100.
[FR Doc. 97-15310 Filed 6-10-97; 8:45 am]
BILLING CODE 4910-13-M