Scanjet Macron has completed a challenging tank level gauging system retrofit onboard Hapag-Lloyd Cruises’ MS Hanseatic during the 18-year old vessel’s 13-day dry docking at the Blohm + Voss shipyard in Hamburg. The 184-passenger ship Hanseatic is classed as the world’s only Five Star expedition ship, according to Berlitz Cruise Guide 2011. The work was part of a comprehensive refit covering more than 780 items, including renovation and modernisation of two cabin decks, the buffet restaurant, sauna, and pool area on the 8,378 tons gross vessel. “We knew the existing system quite well, but we had no possibility to be onboard before the docking to check what was working and could be used…