U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 14Chapter IPart 43 - PART 43—MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION
§ 43.1 - Applicability.
§ 43.2 - Records of overhaul and rebuilding.
§ 43.3 - Persons authorized to perform maintenance, preventive maintenance, rebuilding, and alterations.
§ 43.5 - Approval for return to service after maintenance, preventive maintenance, rebuilding, or alteration.
§ 43.7 - Persons authorized to approve aircraft, airframes, aircraft engines, propellers, appliances, or component parts for return to service after maintenance, preventive maintenance, rebuilding, or alteration.
§ 43.9 - Content, form, and disposition of maintenance, preventive maintenance, rebuilding, and alteration records (except inspections performed in accordance with part 91, part 125, and of this chapter).
§ 43.10 - Disposition of life-limited aircraft parts.
§ 43.11 - Content, form, and disposition of records for inspections conducted under parts 91 and 125 and §and 135.419 of this chapter.
§ 43.12 - [Reserved]
§ 43.13 - Performance rules (general).
§ 43.15 - Additional performance rules for inspections.
§ 43.16 - Airworthiness limitations.
§ 43.17 - Maintenance, preventive maintenance, and alterations performed on U.S. aeronautical products by certain Canadian persons.
Appendix Appendix A - Appendix A to Part 43—Major Alterations, Major Repairs, and Preventive Maintenance
Appendix Appendix B - Appendix B to Part 43—Recording of Major Repairs and Major Alterations
Appendix Appendix C - Appendix C to Part 43 [Reserved]
Appendix Appendix D - Appendix D to Part 43—Scope and Detail of Items (as Applicable to the Particular Aircraft) To Be Included in Annual and 100-Hour Inspections
Appendix Appendix E - Appendix E to Part 43—Altimeter System Test and Inspection
Appendix Appendix F - Appendix F to Part 43—ATC Transponder Tests and Inspections
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