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
Light characteristic Light characteristic A light characteristic is a graphic and text description of a navigational light sequence or colour displayed on a nautical chart or in a Light List with the chart symbol for a lighthouse, lightvessel, buoy or sea mark with a light on it. The graphic indicates how the real light may be identified when looking at its actual light output type or sequence. Different lights use different colours, frequencies and light patterns, so mariners can identify which light they are seeing. While light characteristics can be described in prose, e.g. "Flashing white every three seconds", lists of lights