58 Pa. Code § 103.11
When two motorboats are crossing as to involve risk of collision, the boat which has the other on its starboard—right—side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other boat.
The provisions of this § 103.11 amended November 7, 1980, effective November 8, 1980, 10 Pa.B. 4296; amended June 3, 1994, effective June 4, 1994, 24 Pa.B. 2795. Immediately preceding text appears at serial page (180364).