Utah Code § 72-10-111.5
§ 72-10-111.5. Aircraft public liability insurance requirements -- Proof of public liability insurance.
(1) Subject to Subsection (2), an aircraft owner shall: (a) maintain public liability insurance coverage for the aircraft that conforms to the requirements described in Section 31A-22-1300; and (b) provide a certificate of insurance issued by an insurer as proof of the owner's valid public liability insurance covering the aircraft as part of any lease agreement with a term of six months or more between the aircraft owner and a public airport. (2) Subsection (1) applies to an aircraft only if the aircraft is: (a) an operable fixed-wing aircraft; and (b) used for flight.