14 CFR Part 43
13 sections · 6 appendices · Amended 2026-09-15
MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION
77 Legal Interpretations View on eCFR ↗
Authority42 U.S.C. 7572; 49 U.S.C. 106(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303.
SourceDocket No. 1993, 29 FR 5451, Apr. 23, 1964, unless otherwise noted.
- § 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, § 135.411(a)(1), and § 135.419 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 §§ 135.411(a)(1) 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.
Appendices & SFARs
- App Appendix A to Part 43—Major Alterations, Major Repairs, and Preventive Maintenance
- App Appendix B to Part 43—Recording of Major Repairs and Major Alterations
- App Appendix C to Part 43 [Reserved]
- App 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
- App Appendix E to Part 43—Altimeter System Test and Inspection
- App Appendix F to Part 43—ATC Transponder Tests and Inspections
Related Advisory Circulars 25 current · 22 cancelled
- AC 43-9DMaintenance Records and FAA Form 8130-3 Return to ServiceCurrent2025-09-22↗
- AC 43-216ASoftware Management During Aircraft MaintenanceCurrent2023-08-25↗
- AC 43-218Operational Authorization of Integrated Aircraft Health Management SystemCurrent2022-07-08↗
- AC 43.9-1GInstructions for Completion of FAA Form 337Current2019-11-01↗
- AC 43-217Anticollision Light Maintenance (ACLM)Current2018-12-12↗
- AC 43-4BCorrosion Control for AircraftCurrent2018-09-11↗
- AC 43-215Standardized Procedures for Performing Aircraft Magnetic Compass CalibrationCurrent2017-08-07↗
- AC 43-6DAltitude Reporting Equipment and Transponder System Maintenance and Inspection PracticesCurrent2017-02-15↗
- AC 43-210AStandardized Procedures for Obtaining Approval of Data Used in the Performance of Major Repairs and Major Alterations - Change 1Current2016-08-17↗
- AC 43-214ARepairs and Alterations to Composite and Bonded Aircraft StructureCurrent2016-07-23↗
- AC 43-211ARecommended Alternative Inspection Schedule for Daher (Socata) TBM Series AircraftCurrent2016-01-29↗
- AC 43-213AParts Marking Identification - Including Change 1Current2013-05-14↗
- AC 43-209ARecommended Inspection Procedures for Former Military AircraftCurrent2013-04-12↗
- AC 43-10CUnited States—Canadian Bilateral Aviation Safety Agreement Maintenance Implementation ProceduresCurrent2011-04-23↗
- AC 43.13-2BAcceptable Methods, Techniques, and Practices - Aircraft AlterationsCurrent2008-03-03↗
- AC 43-18Fabrication of Aircraft parts by Maintenance PersonnelCurrent2006-03-24↗
- AC 43-208Maintenance of Emergency Evacuations Systems for Aircraft Operating Under Part 121Current2003-04-04↗
- AC 43-207Correlation, Operation, Design, and Modification of Turbofan/Jet Engine Test CellsCurrent2002-12-26↗
- AC 43-206Inspection, Prevention, Control, and Repair of Corrosion on Avionics Equipment Including Change 1Current2001-05-30↗
- AC 43.13-1BAcceptable Methods, Techniques, and Practices - Aircraft Inspection and Repair [Large AC. This includes Change 1.]Current1998-09-08↗
- AC 43-12APreventive MaintenanceCurrent1983-10-28↗
- AC 43-2BMinimum Barometry for Calibration and Test of Atmospheric Pressure InstrumentsCurrent1980-10-16↗
- AC 43-15Recommended Guidelines for Instrument ShopsCurrent1977-08-15↗
- AC 43-14Maintenance of Weather Radar RadomesCurrent1977-02-24↗
- AC 43-11Reciprocating Engine Overhaul Terminology and Standards - Including Change 1Current1976-04-07↗
- AC 43-216Software Management During Aircraft MaintenanceCancelled2017-12-20↗
- AC 43-214Repairs and Alterations to Composite and Bonded Aircraft StructureCancelled2013-04-11↗
- AC 43-6CAltitude Reporting Equipment and Transponder System Maintenance and Inspection Practices - Including Change 1Cancelled2012-09-17↗
- AC 43-213Parts Marking IdentificationCancelled2009-11-03↗
- AC 43.9-1FInstructions for Completion of FAA Form 337Cancelled2007-01-25↗
- AC 43-10BUnited States - Canadian BASA/MIP MaintenanceCancelled2006-10-03↗
- AC 43-211Recommended Alternative Inspection Schedule for Socata TBM-700 AircraftCancelled2006-08-09↗
- AC 43-210Standardized Procedures for Requesting Field Approval of Data, Major Alterations, and RepairsCancelled2004-02-17↗
- AC 43-209L-39 Albatross Military Jet Recommended Inspection ProgramCancelled2003-10-16↗
- AC 43-6BAltitude Reporting Equipment and Transponder System Maintenance and Inspection PracticesCancelled2002-08-14↗
- AC 43-16AGeneral Aviation Maintenance Alerts can be found at:Cancelled1999-09-03↗
- AC 43-205Guidance for Selecting Chemical Agents and Processes for Depainting and General Cleaning of Aircraft and Aviation ProductsCancelled1998-09-25↗
- AC 43-9CMaintenance RecordsCancelled1998-06-08↗
- AC 43-204Visual Inspection for AircraftCancelled1997-08-14↗
- AC 43-4ACorrosion Control for AircraftCancelled1991-07-25↗
- AC 43.9-1EInstructions for Completion of FAA Form 337 (OMB No. 2120-0020), Major Repair and Alteration (Airframe, Powerplant, Propeller, or Appliance)Cancelled1987-05-21↗
- AC 43-10AMechanical Work Performed on U.S. and Canadian Registered AircraftCancelled1983-02-25↗
- AC 43-17Methods, Techniques, and Practices Acceptable to the Administrator Governing the Installation, Removal, or Change of Identification Data and Identification PlatesCancelled1979-09-05↗
- AC 43-203BAltimeter and Static System Tests and InspectionsCancelled1979-06-20↗
- AC 43-6AAutomatic Pressure Altitude Encoding Systems and Transponders Maintenance and Inspection PracticesCancelled1977-11-11↗
- AC 43.13-2A[Large AC] Acceptable Methods, Techniques, and Practices - Aircraft AlterationsCancelled1977-01-01↗
- AC 43-7Ultrasonic Testing for AircraftCancelled1974-09-24↗
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