14 C.F.R. § 135.425 Maintenance, preventive maintenance, and alteration programs.
Title 14 - Aeronautics and Space
Each certificate holder shall have an inspection program and a program covering other maintenance, preventive maintenance, and alterations, that ensures that— (a) Maintenance, preventive maintenance, and alterations performed by it, or by other persons, are performed under the certificate holder's manual; (b) Competent personnel and adequate facilities and equipment are provided for the proper performance of maintenance, preventive maintenance, and alterations; and (c) Each aircraft released to service is airworthy and has been properly maintained for operation under this part.
Title 14: Aeronautics and Space
PART 135—OPERATING REQUIREMENTS: COMMUTER AND ON DEMAND OPERATIONS AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT
Subpart J—Maintenance, Preventive Maintenance, and Alterations
§ 135.425 Maintenance, preventive maintenance, and alteration programs.
