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U.S. Code > Title 33 Navigation and Navigable Waters > CHAPTER 34—INLAND NAVIGATIONAL RULES (§§ 2001—2073) > SUBCHAPTER I—RULES (§§ 2001—2038) > Part D—Sound and Light Signals (§§ 2032—2037) > § 2037. Distress signals (Rule 37)
§ 2037. Distress signals (Rule 37)
When a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these Rules.