navigation light

• Feu coloré (généralement rouge, vert ou blanc) monté sur un aéronef, un navire ou un autre véhicule pour indiquer sa position, sa direction ou son statut, surtout de nuit ou par mauvaise visibilité.

A colored light (typically red, green, or white) mounted on an aircraft, ship, or other vehicle to indicate its position, direction of travel, or status, especially during nighttime or low-visibility conditions.

1. Marine navigation lightB2formal

   A colored light (red, green, or white) displayed on a ship or boat to indicate its position, direction, and status to other vessels at night or in poor visibility.

   Feu de navigation maritime

   • The captain checked the navigation lights before sailing at dusk.
   • Red and green navigation lights help prevent collisions at sea.
   • All vessels must display proper navigation lights after sunset.

2. Aircraft navigation lightB2formal

   A set of lights on an aircraft (typically red on the left wing, green on the right, and white on the tail) used to signal its position and orientation to other pilots.

   feu de navigation aérien

   • The pilot turned on the navigation lights before taxiing.
   • You can see the red and green navigation lights of the plane in the night sky.
   • Navigation lights are essential for safe flying in low visibility conditions.