RMK Building 50-meter Project 'Aries' Announced at the Monaco Yacht Show (MYS), there is a new explorer yacht currently under construction at the RMK yard. This vessel, currently known as Project 'Aries' features an exterior by Hot Lab. The 50-meter vessel is being built with a steel hull and and aluminum superstructure and also started construction as a spec yacht. An owner can come in and customize the interior to their preference. Either way it will be an ocean-going and blue water crossing-capable yacht with an anticipated range in the region of 5,000 nautical miles.