NAVIGATION LIGHTS
Vessels operating at night are required to display navigation lights between
sunset and sunrise.
Power-driven Vessels
Power-driven vessel is less than 39.4 feet/12 meters in length may display
navigation lights as shown here.
- If your power-driven vessel is less than 23 feet/7 meters in length and
its maximum speed cannot exceed 7 knots, then it may display an all-round
white light, and if practicable, sidelights.
- For power-driven vessels less than 39.4 feet/12 meters in length, the
masthead or all-round white light must be at least 1 meter above the
sidelights.
- Sidelights may be a combination light, instead of two separate lights.
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Figure 1 |
Sailing Vessels
If your sailing vessel is less than 65.6 feet/20 meters in length, then it
must display navigation lights as shown in Figures 2, 3, or 4.

Figure 2 |

Figure 3 |

Figure 4 |
If your sailboat is less than 23 feet/7 meters in length, it shows the lights
displayed as shown in Figures 2,3, or 4. As an option, your vessel may
carry an electric torch (flashlight) or lightened lantern that can show a white
light in sufficient time to prevent collision. (See Figure 5)
Vessel Under Oars
| If your vessel is under oars, then it should display lights for a sailboat if
practical. As an option, your vessel your vessel may carry a flashlight or
lighted lantern that can show a white light in sufficient time to prevent
collision. |
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Anchored Vessels
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Every vessel at anchor, whether occupied or not, shall display anchor lights between official sunset and sunrise. Except, that anchor lights do not have to be displayed on a vessel anchored in a "special anchorage area" designated as such by the U. S. Army Corps of Engineers or the U. S. Coast Guard.
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