{"url_path":"/register/2026-07-08/2026-13781","section_key":"summary","section_title":"Airworthiness Directives; Restricted Category Model CH-47D Helicopters","topic":"register","document":{"doc_type":"Proposed Rule","doc_date":"2026-07-08","source_url":"https://www.federalregister.gov/documents/2026/07/08/2026-13781/airworthiness-directives-restricted-category-model-ch-47d-helicopters","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"Transportation Department"},"word_count":125,"has_tables":false,"body_markdown":null}