The yacht was based at the Dutch yard's facility in Makkum for nine months.
The 70-metre Feadship superyacht Siran has been under the same ownership for 24 years, and this is not the first time she has enjoyed a serious refit to bring her up to modern standards.
A nine-month stint at the Makkum yard saw an extention to the aft deck covering, giving better protection on windy days. The sundeck superstructure was also adapted, with the composite roof extended by around 2.5 metres, supported by aluminium side walls with pivoting glass windbreak panels in the same style as the existing sundeck side windows. The hull was also repainted and the propellers were upgraded to highly skewed low noise models.
The last of seven Feadships to be designed by the legendary Jon Bannenberg, Siran was considered revolutionary when she was launched in 1991. Her radically styled windows and the innovative tender positioning were rare at the time. She has been spotted many times around the French Riviera since then, most notably in Monaco where she has a permanent berth.
Siran returned to Feadship in 2005 for her first major refit, which saw the yacht extended to from 63.7 metres to 70 metres and an enclosed sun deck added to accommodate a gym and entertainment room.