- Title 1 - General Provisions
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- Title 14 - Aeronautics and Space
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- Title 46 - Shipping
- Title 47 - Telecommunication
- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
CFR > 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 (parts 110 to 139) > PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS > SUBPART J—Special Airworthiness Requirements (§121.211 to §121.295) > 121.237—Oil lines and fittings in designated fire zones.
121.237—Oil lines and fittings in designated fire zones.
Oil line and fittings in each designated fire zone must comply with § 121.259.