COLREG Annex I – Positioning and Technical Details of Lights and Shapes – Set B
Source: Convention on the International Regulations for Preventing Collisions at Sea, 1972 (COLREG), Annex I – Positioning and Technical Details of Lights and Shapes.
Reference: imorules.com – COLREG Annex I
Question 3 of 10
3. On a vessel of less than 20 metres in length, the lowest of lights carried in a vertical line shall, except where a towing light is required, be placed at a height above the gunwale of not less than: