| CHAPTER 1—Rules, Regulations, and Aids for Navigation
NIGHTTIME BUOY IDENTIFICATION
Usually only the more important buoys are lighted.
Some unlighted buoys may have red, white, or green
reflectors having the same significance as lights of the
same colors. Black or green buoys have green or white
lights; red buoys have red or white lights. Likewise,
buoys with a red band at the top carry red lights, while
those with a black band topmost carry green lights.
White lights are used without any color significance.
Lights on red or black buoys are always flashing or
occulting. (When the light period is shorter than the
dark period, the light is flashing. When the light is
interrupted by short dark periods, the light is occulting.)
A light flashing a Morse Code letter “A” (dot-dash)
indicates a mid-channel buoy.
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