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 1 of 10
1. Where the Rules prescribe two or three lights to be carried in a vertical line on a vessel of 20 metres in length or more, they shall be spaced not less than: