British pilot boat (ex-Humber Callisto 1999-2008) Callisto Maassluis 1999-

Nieuwe Waterweg off Hoek van Holland, Netherlands 26 August 2009

United Kingdom-flagged, homeport Southampton, England, IMO 9215787, MMSI 232004598 and call sign MZFE7. Ex-Humber Callisto renamed March 2008. Owned by Sima Charters BV. Refitted in 2011. Dimensions 17,31 (over all) x 5,20 (over all) x 0,84 metres, gross tonnage 26,58 tons.