CFR›Title 46›Chapter I›Part 131›Subpart I›46 CFR 131.965 Citation46 CFR 131.965CorpusDaily eCFRDisplayed edition2026-09-25Last updated2026-09-25 § 131.965 Sounding of whistle.No vessel may sound its whistle within any harbor limits of the United States unless it needs to. Previous 131.960 § 131.960 Use of auto-pilot. Next 131.970 § 131.970 Unauthorized lighting.
§ 131.965 Sounding of whistle.No vessel may sound its whistle within any harbor limits of the United States unless it needs to.