51.6158°N -3.9383°WLV 91 is a former Trinity House lightvessel that is now a museum ship in Swansea.
LV 91 is on the National Historic Ships UK register as "Light Vessel 91 Humber".[1]
LV 91 is owned by Swansea Museum and displayed in Swansea Marina as "Light Vessel 91 Helwick".[2]