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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 14
Chapter I
Part 45
Subpart C - Subpart C—Nationality and Registration Marks
§ 45.21 - General.
§ 45.22 - Exhibition, antique, and other aircraft: Special rules.
§ 45.23 - Display of marks; general.
§ 45.25 - Location of marks on fixed-wing aircraft.
§ 45.27 - Location of marks; nonfixed-wing aircraft.
§ 45.29 - Size of marks.
§ 45.31 - Marking of export aircraft.
§ 45.33 - Sale of aircraft; removal of marks.
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