{"abstract":"This action amends the flight data recorder regulations by expanding the recording ranges for certain data parameters for all covered airplanes. This amendment is necessary because certain airplanes are unable to record certain flight parameters under the existing resolution criteria without undergoing unintended and expensive retrofit.","action":"Final rule.","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/2002/08/21/02-21171.html","cfr_references":[{"chapter":null,"citation_url":null,"part":121,"title":14},{"chapter":null,"citation_url":null,"part":125,"title":14},{"chapter":null,"citation_url":null,"part":135,"title":14}],"citation":"67 FR 54320","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective on August 20, 2002.","disposition_notes":null,"docket_ids":["Docket No.: FAA-2002-11705","Amendment No. 121-292, 125-39 and 135-85"],"dockets":[],"document_number":"02-21171","effective_on":"2002-08-20","end_page":54324,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2002/08/21/02-21171.xml","html_url":"https://www.federalregister.gov/documents/2002/08/21/02-21171/revisions-to-digital-flight-data-recorder-requirements","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/02-21171?publication_date=2002-08-21","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2002-08-21/02-21171/mods.xml","not_received_for_publication":null,"page_length":5,"page_views":{"count":40,"last_updated":"2026-04-04 16:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2002-08-21/pdf/02-21171.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2002-08-21","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2002/08/21/02-21171.txt","regulation_id_number_info":{"2120-AH81":null},"regulation_id_numbers":["2120-AH81"],"regulations_dot_gov_info":{},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":54320,"subtype":null,"title":"Revisions to Digital Flight Data Recorder Requirements","toc_doc":"Digital flight data recorder requirements","toc_subject":"Air carrier certification and operations:","topics":["Air carriers","Air taxis","Aircraft","Airmen","Alcohol abuse","Aviation safety","Drug abuse","Drug testing","Reporting and recordkeeping requirements","Safety","Transportation"],"type":"Rule","volume":67}