{"abstract":"This notice announces the issuance of Advisory Circular (AC) 25.1581-1, Airplane Flight Manual. The primary purpose of the FAA- approved AFM is to provide an authoritative source of information considered necessary for safely operating the airplane. The AC identifies the information that must be provided in the AFM under the airworthiness regulations and provides guidance as to the form and content of the approved portion of an AFM.","action":"Notice of issuance of advisory circular.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Federal Aviation Administration","name":"Federal Aviation Administration","id":159,"url":"https://www.federalregister.gov/agencies/federal-aviation-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/159","parent_id":492,"slug":"federal-aviation-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/1997/12/15/97-32668.html","cfr_references":[],"citation":"62 FR 65729","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"Advisory Circular 25.1581-1 was issued on July 14, 1997, by the Acting Manager of the Transport Airplane Directorate, Aircraft Certification Service, in Renton, Washington.","disposition_notes":null,"docket_ids":[],"dockets":[],"document_number":"97-32668","effective_on":null,"end_page":65729,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":null,"html_url":"https://www.federalregister.gov/documents/1997/12/15/97-32668/advisory-circular-ac-251581-1-airplane-flight-manual","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/97-32668?publication_date=1997-12-15","mods_url":"https://www.govinfo.gov/metadata/granule/FR-1997-12-15/97-32668/mods.xml","not_received_for_publication":null,"page_length":1,"page_views":{"count":157,"last_updated":"2026-04-04 12:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-1997-12-15/pdf/97-32668.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"1997-12-15","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/1997/12/15/97-32668.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":65729,"subtype":null,"title":"Advisory Circular (AC) 25.1581-1, Airplane Flight Manual","toc_doc":null,"toc_subject":null,"topics":[],"type":"Notice","volume":62}