2026-09-27T00:55:05+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object2175100281BLOCK SHIPYA hulk or obsolete vessel filled with cement or similar material and scuttled to block an entrance to a port or anchorage, usually as a defensive measure.143P