Heesen launches superyacht Sibelle Heesen Yachts has launched Y/N 16750 christened M/Y Sibelle at their facility in Oss, on Friday December 19, 2014. M/Y Sibelle is a 50 metre fully custom motor yacht, that has been kept below 500 Gross Tonnage Read more: http://www.superyachttimes.com/editorial/33/article/id/13769 Prev Next