K XI class submarine

The K XI class was a class of three submarines, built by Fijenoord shipyard in Rotterdam for the Royal Netherlands Navy. Used for patrols in the Dutch colonial waters. The submarines diving depth was 60 metres (200 ft). All ships were still in service at the start of World War II. K XIII was scuttled while under repair at Soerabaja to prevent her being captured by the invading Japanese forces.