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Course Outline

If less than 26 feet long, the required lights for power-driven vessels are:

  • Red and green sidelights visible from a distance of at least one mile away.
  • 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 away. The all-round white light (or the masthead light) must be higher than the sidelights.
Fig. 1: Navigation Lights on Power-Driven Vessels

If 26 feet long or longer, the required lights for power-driven vessels are:

  • Red and green sidelights visible from a distance of at least one mile away.
  • A masthead light and a sternlight visible from a distance of at least two miles away. The masthead light must be higher than the sidelights.
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  • Topic 9 of 19
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