United States. Department of Transportation. Federal Aviation Administration (1981). AC 91-56: Supplemental Structural Inspection Program for Large Transport Category Airplanes (Report No. AC 91-56). United States. Department of Transportation. Federal Aviation Administration. https://doi.org/10.21949/1515189
United States. Department of Transportation. Federal Aviation Administration. AC 91-56: Supplemental Structural Inspection Program for Large Transport Category Airplanes. Report no. AC 91-56. United States. Department of Transportation. Federal Aviation Administration, 1981. https://doi.org/10.21949/1515189.
United States. Department of Transportation. Federal Aviation Administration AC 91-56: Supplemental Structural Inspection Program for Large Transport Category Airplanes. United States. Department of Transportation. Federal Aviation Administration, 1981, Report no. AC 91-56, ROSA P. https://doi.org/10.21949/1515189.
This Advisory Circular (AC) provides guidance material to manufacturers and operators for use in developing a continuing structural integrity program to ensure safe operation of older airplanes throughout their operational life. This guidance material applies to large transport airplanes which were certified under the fail-safe or damage tolerance structural requirements of Civil Air Regulations 4b or Federal Aviation Regulations (FAR) Part 25 and which have a maximum gross weight greater than 7 5 , 0 0 0 pounds. Guidance material on this subject for other transports will be provided at a later date. The procedures set forth by this AC are applicable to the large transport category airplanes operated under Subpart D of FAR 91 and FAR 121, 123, 125, and 135
United States. Department of Transportation. Federal Aviation Administration (1981). AC 91-56: Supplemental Structural Inspection Program for Large Transport Category Airplanes (Report No. AC 91-56). United States. Department of Transportation. Federal Aviation Administration. https://doi.org/10.21949/1515189
United States. Department of Transportation. Federal Aviation Administration. AC 91-56: Supplemental Structural Inspection Program for Large Transport Category Airplanes. Report no. AC 91-56. United States. Department of Transportation. Federal Aviation Administration, 1981. https://doi.org/10.21949/1515189.
United States. Department of Transportation. Federal Aviation Administration AC 91-56: Supplemental Structural Inspection Program for Large Transport Category Airplanes. United States. Department of Transportation. Federal Aviation Administration, 1981, Report no. AC 91-56, ROSA P. https://doi.org/10.21949/1515189.
ROSA P serves as an archival repository of USDOT-published products including scientific
findings, journal articles, guidelines, recommendations, or other information authored or co-authored by
USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to
ensure public access to scientific information.
Links with this icon indicate that you are leaving a Bureau of Transportation
Statistics (BTS)/National Transportation Library (NTL)
Web-based service.
Thank you for visiting.
You are about to access a non-government link outside of
the U.S. Department of Transportation's National
Transportation Library.
Please note: While links to Web sites outside of DOT are
offered for your convenience, when you exit DOT Web sites,
Federal privacy policy and Section 508 of the Rehabilitation
Act (accessibility requirements) no longer apply. In
addition, DOT does not attest to the accuracy, relevance,
timeliness or completeness of information provided by linked
sites. Linking to a Web site does not constitute an
endorsement by DOT of the sponsors of the site or the
products presented on the site. For more information, please
view DOT's Web site linking policy.
To get back to the page you were previously viewing, click
your Cancel button.