This Marine Luchtvaartdienst (MLD, Netherlands Navy) Orion was delivered to 320sq at Naval Air Station Valkenburg (the Netherlands) on 21 July 1982. It carried BuNo 161368. It was modified to P-3C-II½ CUP and eventually sold to the Força Aerea Portuguesa (Portuguese Air Force) with serial 14807 on 14 March 2006.