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 9 of 10
9. The sidelights of vessels of 20 metres or more in length shall be fitted with: