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

Question 9 of 10

9. In the case of sailing vessels underway, at least 50 per cent of the required minimum intensity shall be maintained from:

A) 7.5 degrees above to 7.5 degrees below the horizontal B) 5 degrees above to 5 degrees below the horizontal C) 25 degrees above to 25 degrees below the horizontal D) 15 degrees above to 15 degrees below the horizontal

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