Delivered new to the US register as N53FJ on 17 Nov 1980. Reregistered N131WT with IBM Europe in May 1981. To the Dutch register as PH-LEM on 20 Mar 1990. Back to the US register as N47UF on 31 Aug 1992. Reregistered N800FM on 01 Mar 2006 and N752JC on 11 Mar 2008. Still current in November 2023.