KDB Mustaed (21) is the only ship of its kind in the Royal Brunei Navy. The vessel is in active service in the Royal Brunei Navy (RBN). Construction and career KDB Mustaed was built by Marinteknik Shipyard in Singapore to a Lürssen FIB25 design and commissioned on 25 November 2011. She is capable of border patrol, surveillance, fishery protection and high speed interception. References Royal Brunei Navy Ships of Brunei