Ambrose Light (ship) Ambrose Light (ship) Ambrose Light was a brigantine, operated by Colombian rebels. It was captured by USS "Alliance" as a suspected pirate vessel in 1885. The accusation of piracy was rejected by a court of law. On April 24, Commander Lewis Clark, of the South Atlantic Squadron, was sailing to Cartagena, on the Caribbean coast of Colombia, when the lookouts aboard "Alliance" sighted the one-gun "Ambrose Light". It was flying a strange flag featuring a red cross over a white background so the Americans assumed the vessel was a pirate ship. A chase began and the Americans were preparing to
Ship Shoal Light remains in the gulf for now. 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