58 Pa. Code § 103.4
Every boat shall maintain a proper lookout by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions to make full appraisal of the situation and of the risk of collision.
The provisions of this § 103.4 amended November 7, 1980, effective November 8, 1980, 10 Pa.B. 4296; amended June 11, 1993, effective January 1, 1994, 23 Pa.B. 2735; amended June 3, 1994, effective June 4, 1994, 24 Pa.B. 2795. Immediately preceding text appears at serial page (180362).