Rules of the Road · Light Definitions & Visibility
What is the minimum visibility range required for sidelights on a vessel of 12 meters or more but less than 50 meters in length?
- A1 mile
- B3 miles
- C5 miles
- D2 miles✓ Correct
Explanation
Rule 22(b) requires sidelights on vessels 12 meters or more but less than 50 meters in length to be visible at least 2 miles. Sternlights and towing lights on the same size vessels also require 2 miles.
Authority: 72 COLREGS Rule 22(b)
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