GroundRules
14 CFR 121.251: Engine accessory section diaphragm.
Where this section sits in the code
- 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
Unless equivalent protection can be shown by other means, a diaphragm that complies with § 121.247 must be provided on air-cooled engines to isolate the engine power section and all parts of the exhaust system from the engine accessory compartment.
Collected 2026-08-27T02:24:20Z. Source file · JSON