Navigation LightsNavigation Lights

Port and starboard lights: Both the sidelights show an unbroken light over an arc of the horizon of 112.5 degrees such that from right ahead it can be viewed to 22.5 degrees

Stern light:  unbroken light over an arc of the horizon of 135 degrees and fixed to show the light 67.5 degrees from right aft on each side.

 MastHead light: unbroken light over an arc of the horizon of 225 degrees and so fixed to show the light from right ahead to 22.5 degrees abaft on either side