PH-NLR Beech 65-80 Queen Air Dutch National Aerospace Laboratory - NLR Groningen - Eelde (GRQ / EHGG), Netherlands Peter de Zeeuw - 26/09/1981
PH-NLR Beech 65-80 Queen Air Dutch National Aerospace Laboratory - NLR Rotterdam (RTM / EHRD), Netherlands Jan Buisman - 16/09/1990
