OUPV & 100-Ton Master · Visual Distress Signals — Coastal
On coastal waters, a vessel (other than those exempt) must carry USCG-approved visual distress signals (VDS) that are adequate for:
- ANighttime only
- BDaytime only
- CBoth day and night use✓ Correct
- DNeither — VDS are never required
Explanation
On coastal waters and the Great Lakes, most vessels must carry approved VDS suitable for both day and night (e.g., three day/night red parachute or hand flares). Some small craft (under 16 ft) need only night signals when operating at night.
Authority: 33 CFR Part 175, Subpart E
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