{"abstract":"This final rule adopts revisions to the NTSB's regulations regarding its investigative procedures. The intent of these revisions is to reorganize, clarify and update the regulations to reflect the last 20 years of NTSB's experience in conducting transportation investigations. These regulations affect investigations of transportation accidents within the NTSB's statutory authority, except marine casualty investigations.","action":"Final rule.","agencies":[{"raw_name":"NATIONAL TRANSPORTATION SAFETY BOARD","name":"National Transportation Safety Board","id":374,"url":"https://www.federalregister.gov/agencies/national-transportation-safety-board","json_url":"https://www.federalregister.gov/api/v1/agencies/374","parent_id":null,"slug":"national-transportation-safety-board"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2017/06/29/2017-12988.html","cfr_references":[{"chapter":null,"citation_url":null,"part":831,"title":49}],"citation":"82 FR 29670","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule is effective July 31, 2017.","disposition_notes":null,"docket_ids":["Docket No. NTSB-GC-2012-0002"],"dockets":[],"document_number":"2017-12988","effective_on":"2017-07-31","end_page":29690,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2017/06/29/2017-12988.xml","html_url":"https://www.federalregister.gov/documents/2017/06/29/2017-12988/investigation-procedures","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2017-12988?publication_date=2017-06-29","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2017-06-29/2017-12988/mods.xml","not_received_for_publication":null,"page_length":21,"page_views":{"count":2132,"last_updated":"2026-10-23 18:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2017-06-29/pdf/2017-12988.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2017-12988.pdf?1498653923","publication_date":"2017-06-29","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2017/06/29/2017-12988.txt","regulation_id_number_info":{"3147-AA01":{"issue":"201704","html_url":"https://www.federalregister.gov/regulations/3147-AA01/investigation-procedures","title":"Investigation Procedures","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=201704&RIN=3147-AA01&operation=OPERATION_EXPORT_XML","priority_category":"Substantive, Nonsignificant"}},"regulation_id_numbers":["3147-AA01"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Civil Monetary Penalty Annual Inflation Adjustment","document_id":"NTSB_FRDOC_0001-0279"}],"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=NTSB_FRDOC_0001","supporting_documents_count":0,"docket_id":"NTSB_FRDOC_0001","regulation_id_number":null,"title":"Recently Posted NTSB Rules and Notices.","checked_regulationsdotgov_at":"2017-07-19T06:00:19Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":29670,"subtype":null,"title":"Investigation Procedures","toc_doc":"Marine Investigations","toc_subject":"Investigation Procedures:","topics":["Aviation safety","Hazardous materials transportation","Highway safety","Investigations","Marine safety","Pipeline safety","Railroad safety"],"type":"Rule","volume":82}