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If 40 to 65 feet long, these vessels must exhibit the lights as shown in Figure 1. Remember, power-driven vessels include sailboats operating under power.

The required lights are:

Fig. 1: Navigation lights on power-driven vessels less than 65 feet
  • Red and green sidelights visible from a distance of at least two miles (or if less than 40 feet long, at least one mile) on a dark clear night
  • An all-round white light or both a masthead light and a sternlight. These lights must be visible from a distance of at least two miles on a dark clear night. The all-round white light (or the masthead light) must be at least 3.3 feet higher than the sidelights.

The red and green lighting must conform to the illustrations in Figure 1. Red should be on the left side of the bow and green on the right side of the bow.