Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 3Date: 2021-01-01Original Date: 2021-01-01Title: Section § 121.263 - Fire-extinguishing systems.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED). 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.
§ 121.263 Fire-extinguishing systems. (a) Unless the certificate holder shows that equivalent protection against destruction of the airplane in case of fire is provided by the use of fireproof materials in the nacelle and other components that would be subjected to flame, fire-extinguishing systems must be provided to serve all designated fire zones. (b) Materials in the fire-extinguishing system must not react chemically with the extinguishing agent so as to be a hazard.