Our sincerest condolences to wife, children, sister, other relatives and friends of Joop Gerritsma. We were shocked to hear about his recent passing away. He will always be remembered as a good collegue and friend by many of our members and other aviation enthousists all over the world. May his family have the strength to continue with the challenges of daily life which will be difficult without him. On behalf of Board and Members of KNVvL/Luchtvaartkennis Rudolf J.W. Merison Secretary