COLREG Annex I Lights and Shapes Quiz Set C

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

6. In the forward direction, the intensity of sidelights shall decrease to reach practical cut-off:

A) Between 1 degree and 3 degrees outside the prescribed sectors B) Between 2 degrees and 5 degrees outside the prescribed sectors C) At exactly 5 degrees outside the prescribed sectors D) Between 5 degrees and 7.5 degrees outside the prescribed sectors

COLREG Annex I – Positioning and Technical Details of Lights and Shapes – Set C