BOTH INTERNATIONAL & INLAND In illustration D023RR below which item shows the arc of visibility of a green sidelight?

Correct Answer: Option B — B

Rule 21(b) defines sidelights as showing an unbroken light over an arc of the horizon of 112.5 degrees, from right ahead to 22.5 degrees abaft the beam on their respective sides. Item B correctly represents this starboard green sidelight sector.