OAR 250-010-0156: Sound Signaling Appliances

(1) A vessel of less than 39 feet 4 inches (12 meters) must carry an efficient sound signaling appliance such as a bell, horn, or whistle. (2) A vessel of 39 feet 4 inches (12 meters) in length but less than 65 feet 6 inches (20 meters) must carry a whistle and a bell. The whistle and the bell shall comply with Title 33, Code of Federal Regulation 83.33. (3) This rule does not apply to motorboats propelled by outboard motors while competing in any race previously arranged and announced or, if such boats be designed and intended solely for racing, while engaged in such navigation as is incidental to the tuning up of the boats and engines for the race.