14 CFR Part 45
14 sections · 3 subparts · Amended 2026-09-15
IDENTIFICATION AND REGISTRATION MARKING
5 Legal Interpretations 17 TSOAs View on eCFR ↗
Authority49 U.S.C. 106(f), 40103, 40113-40114, 44101-44105, 44107-44111, 44504, 44701, 44708-44709, 44711-44713, 44725, 45302-45303, 46104, 46304, 46306, 47122.
SourceDocket No. 2047, 29 FR 3223, Mar. 11, 1964, unless otherwise noted.
Subpart A— General 1 section
Subpart B— Marking of Products and Articles 5 sections
Subpart C— Nationality and Registration Marks 8 sections
- § 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.
Related Advisory Circulars 2 current · 6 cancelled
- AC 45-2EIdentification and Registration MarkingCurrent2015-10-01↗
- AC 45-3AInstallation, Removal or Change of Identification Data and Identification Plates on Aircraft EnginesCurrent2010-08-03↗
- AC 45-4Identification, marking, and placarding of aircraft issued special airworthiness certificates in the light-sport category (S-LSA) and aircraft issued experimental certificates for the purpose of operating light-sport aircraft (E-LSA)Cancelled2012-11-16↗
- AC 45-2DIdentification and Registration MarkingCancelled2009-10-16↗
- AC 45-2CIdentification and Registration MarkingCancelled2005-08-05↗
- AC 45-2BIdentification and Registration MarkingCancelled2003-07-16↗
- AC 45-2AIdentification and Registration MarkingCancelled1992-04-16↗
- AC 45-3Installation, Removal, or Change of Identification Data and Identification Plates on AircraftCancelled1985-11-06↗
Recent Federal Register activity last 25 of 36, newest first
- 2026-02-10NPRMNormalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of ExtensionRead →
- 2026-01-28NPRMNormalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment PeriodRead →
- 2025-09-29NPRMNormalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Denial of Extension of Comment PeriodRead →
- 2025-08-18RuleModernization of Special Airworthiness Certification; CorrectionRead →
- 2025-08-07NPRMNormalizing Unmanned Aircraft Systems Beyond Visual Line of Sight OperationsRead →
- 2025-07-24RuleModernization of Special Airworthiness CertificationRead →
- 2024-02-08NPRMModernization of Special Airworthiness CertificationRead →
- 2023-10-04NPRMModernization of Special Airworthiness CertificationRead →
- 2023-07-24NPRMModernization of Special Airworthiness CertificationRead →
- 2018-07-06RuleAviation Safety Organization Changes; CorrectionRead →
- 2018-03-05RuleAviation Safety Organization ChangesRead →
- 2016-01-13RuleChanges to Production Certificates and Approvals; CorrectionRead →
- 2015-12-17RuleChanges to Production Certificates and Approvals; CorrectionRead →
- 2015-12-16RuleRegistration and Marking Requirements for Small Unmanned AircraftRead →
- 2015-10-01RuleChanges to Production Certificates and ApprovalsRead →
- 2015-02-23NPRMOperation and Certification of Small Unmanned Aircraft SystemsRead →
- 2014-12-22NPRMChanges to Production Certificates and Approvals; Notice of Availability of Proposed Advisory CircularsRead →
- 2014-02-27NPRMChanges to Production Certificates and ApprovalsRead →
- 2013-11-01RuleExhaust Emission Standards for New Aircraft Turbine Engines and Identification Plate for Aircraft EnginesRead →
- 2013-10-23RuleExhaust Emissions Standards for New Aircraft Gas Turbine Engines and Identification Plate for Aircraft EnginesRead →
- 2013-10-23RuleExhaust Emissions Standards for New Aircraft Gas Turbine Engines and Identification Plate for Aircraft EnginesRead →
- 2012-12-31RuleExhaust Emissions Standards for New Aircraft Gas Turbine Engines and Identification Plate for Aircraft EnginesRead →
- 2011-02-10RuleOperations SpecificationsRead →
- 2010-03-01RuleProduction and Airworthiness Approval, Part Marking, and Miscellaneous Amendments; CorrectionRead →
- 2009-10-16RuleProduction and Airworthiness Approvals, Part Marking, and Miscellaneous AmendmentsRead →
+ 11 more on federalregister.gov