whistle buoy

• Tipo de boya de navegación equipada con un silbato que suena cuando las olas o el viento pasan a través de ella, utilizada para advertir a los barcos de peligros o marcar canales en condiciones de niebla o mala visibilidad.

A type of navigational buoy equipped with a whistle that sounds when waves or wind pass through it, used to warn ships of hazards or mark channels in foggy or low-visibility conditions.

1. Navigational aidC1formal

   A type of buoy equipped with a whistle that sounds when waves or wind move it, used to mark channels or hazards in water.

   Boyá de silbato

   • The sailors relied on the whistle buoy to navigate through the fog.
   • A whistle buoy marks the entrance to the harbor.
   • The sound of the whistle buoy warned boats of the shallow reef ahead.