Conceived as a tool for achieving the A.S.E project, denoting Adventure - Science - Education, the 76.60 metre displacement expedition yacht Yersin has been launched from the Piriou shipyard in France. With naval architecture done in house by Piriou, her exterior design is the work of Pierre Jacques Kubis Naval Design.
She accommodates up to 18 guests on board in addition to a crew also of 18. Amongst her many features is the ability to carry a seaplane. Powered by two 1,500 kW diesel-electric engines, she has a maximum speed of 15 knots, a cruising speed of 12 knots and a range of 12,000 nm.