PH-PTC Piper PA-31 Navajo Corporate Groningen - Eelde (GRQ / EHGG), Netherlands Jan Buisman - 22/08/1994
PH-PTC Piper PA-31 Navajo Quick Airways (QAH) Groningen - Eelde (GRQ / EHGG), Netherlands jack poelstra - 10/09/2004
PH-PTC Piper PA-31-350 Navajo Chieftain Quick Airways (QAH) Groningen - Eelde (GRQ / EHGG), Netherlands Kev Slade - 15/05/1985
