Sector light Authorities). For example, the United States uses a signalling stereotype which is the opposite of Europe. In USA, the red light indicates the starboard side of the channel for harbour bound vessels, while the green light indicates the port side of the same channel. An expression to remind of this is "red right returning". An example of a sector light is the light of the Fisgard Lighthouse in British Columbia. The lighthouse as built to guide ships through the entrance of Esquimalt harbour. The white sector is an isophase light of 2s from 322° to 195°. If the ship sees
Ship Shoal Light Ship Shoal Light The Ship Shoal Light is a screw-pile lighthouse located in the Gulf of Mexico southwest of the Isles Dernieres off the coast of Louisiana. It is currently abandoned. Ship Shoal (known as Ship Island Shoal in early maps) is a bar running east-west in the open waters of the gulf. The Louisiana state legislature petitioned congress for a light to be erected on this hazard in 1848, but instead of a fixed tower, a lightship was provided instead. This vessel, the "Pleasonton", was named after Stephen Pleasonton, who was in charge of the lighthouse service at the