97-13679. Advisory Circular (AC) 25.571-1B, Damage-Tolerance and Fatigue Evaluation of Structure

[Federal Register Volume 62, Number 100 (Friday, May 23, 1997)]
[Notices]
[Page 28529]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 97-13679]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Advisory Circular (AC) 25.571-1B, Damage-Tolerance and Fatigue 
Evaluation of Structure

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) 
25.571-1B, Damage-Tolerance and Fatigue Evaluation of Structure. This 
AC, which sets for the acceptable means of compliance with the damage-
tolerance and fatigue evaluation requirements for transport category 
airplanes, has been revised to provide rational guidelines for the 
evaluation of scatter factors for the determination of life for parts 
categorized as safe-life.

DATES: Advisory Circular 25.571-1B was issued on February 18, 1997, by 
the Manager of the Transport Airplane Directorate, Aircraft 
Certification Service, in Renton, Washington.

HOW TO OBTAIN COPIES: A copy of AC 25.571-1B may be obtained by writing 
to the U.S. Department of Transportation, Subsequent Distribution 
Office, Ardmore East Business Center, 3341 Q 75th Ave, Landover, MD 
20785.

    Issued in Renton, Washington, on May 7, 1997.
Stewart R. Miller,
Manager, Transport Standards Staff, Transport Airplane Directorate, 
ANM-100.
[FR Doc. 97-13679 Filed 5-22-97; 8:45 am]
BILLING CODE 4910-13-M