Aoshima Ko Lighthouse

Aoshima Ko Lighthouse is a maritime navigation aid located in Kyushu-East Coast, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 13 meters above mean sea level. Under standard atmospheric conditions, the light is visible up to 5 nautical miles (approximately 9.3 km) from the observer.

Light characteristic: The identifying signal of this lighthouse is Fl (2) G 10s. This means the light produces 2 flashes every 10 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is green, which may indicate a specific sector or warning zone.

Visibility and range: With a focal height of 13 meters and a nominal range of 5 nautical miles, this light serves as a local navigation aid for vessels operating in nearshore waters. While its range is limited, it provides essential guidance for coastal traffic, fishing vessels, and smaller craft in the immediate area.

Position: Aoshima Ko Lighthouse is positioned at 31.7969°N, 131.4752°E, near Kyushu-East Coast in JP. The blue circle on the map represents the nominal 5-nautical-mile range of the light.

Geographic context: Aoshima Ko Lighthouse is situated on the North Pacific Ocean, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.