{"data":{"id":"us/14-cfr-121.273","jurisdiction":"us","citation":"14 CFR 121.273","heading":"Fire-detector systems.","body":"Enough quick-acting fire detectors must be provided in each designated fire zone to assure the detection of any fire that may occur in that zone.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS","PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS","Subpart J—Special Airworthiness Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"99e1694cc7f971462c6a027c53e57c85cdc4d63e0cc321c93deecbb00f89a470","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-121.271","next":"us/14-cfr-121.275"},"notice":"GroundRules: Original legal text. Not legal advice."}