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

8. For electric lights other than those on sailing vessels underway, at least 60 per cent of the required minimum intensity shall be maintained from:

A) 5 degrees above to 5 degrees below the horizontal B) 7.5 degrees above to 7.5 degrees below the horizontal C) 25 degrees above to 25 degrees below the horizontal D) 10 degrees above to 10 degrees below the horizontal

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