Yas is a private superyacht rebuilt by ADMShipyards of Abu Dhabi, launched in 2011 and delivered in 2015.[1] At 141m (463feet) in length she is one of the largest motor yachts in the world.[2]
Named Swift141 during development, Yas is based on the hull of a former navy frigate. HNLMS Piet Hein, a of the Royal Netherlands Navy was launched in 1978 and sold to the United Arab Emirates Navy where she was operated under the name Al Emirat. A second frigate of the same class is undergoing a similar conversion: HNLMS Abraham Crijnssen, renamed Abu Dhabi and Swift135.[3]