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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 26, 2025
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Title 14
Chapter I
Part 139 - PART 139—CERTIFICATION OF AIRPORTS
Subpart A [§ 139.1 - § 139.7] - Subpart A—General
Subpart B [§ 139.101 - § 139.115] - Subpart B—Certification
Subpart C [§ 139.201 - § 139.205] - Subpart C—Airport Certification Manual
Subpart D [§ 139.301 - § 139.343] - Subpart D—Operations
Subpart E [§ 139.401 - § 139.403] - Subpart E—Airport Safety Management System
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