30 Pa.C.S. § 5505: Unauthorized operation of boats.

(a) Consent required.--It is unlawful for a person to operate the boat of another without the consent of the owner.

(b) Defense.--It is a defense to prosecution under this section that the operator reasonably believed that the owner would have consented to the operation had the owner known of it.

(c) Penalty.--Any person violating this section commits a summary offense of the first degree.