§ 91.325 – Primary category aircraft: Operating limitations.
(a) No person may operate a primary category aircraft carrying persons or property for compensation or hire.
(b) No person may operate a primary category aircraft that is maintained by the pilot-owner under an approved special inspection and maintenance program except—
(1) The pilot-owner; or
(2) A designee of the pilot-owner, provided that the pilot-owner does not receive compensation for the use of the aircraft.