Spreader Lights

Elevated fixtures providing deck illumination on sailboats or larger craft. Boater ed warns of glare or confusing other vessels if angled incorrectly.

Related Terms

Navigation Rules

The “rules of the road” for waterways, dictating right-of-way, overtaking procedures, and collisi...

Collision Avoidance

Strategies to prevent accidents, including early course changes, clear signals, and adherence to ...

Required Lighting at Night

Navigation lights (red and green sidelights, white sternlight, and masthead light) must be used f...

Night Vision Devices

Thermal or low-light scopes or goggles aiding nighttime navigation; boater ed covers proper usage...

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