U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 14Chapter IPart 91Subpart E - Subpart E—Maintenance, Preventive Maintenance, and Alterations
§ 91.401 - Applicability.
§ 91.403 - General.
§ 91.405 - Maintenance required.
§ 91.407 - Operation after maintenance, preventive maintenance, rebuilding, or alteration.
§ 91.409 - Inspections.
§ 91.410 - [Reserved]
§ 91.411 - Altimeter system and altitude reporting equipment tests and inspections.
§ 91.413 - ATC transponder tests and inspections.
§ 91.415 - Changes to aircraft inspection programs.
§ 91.417 - Maintenance records.
§ 91.419 - Transfer of maintenance records.
§ 91.421 - Rebuilt engine maintenance records.
§§ 91.423-91.499 - §[Reserved]
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