Date Course Instructor Dive school Number Scans
2007-06-15 IDD Open Water Diver P.J.G. Heyden, van D.C. Seac Sub Zaltbommel 002.069812 IDD Open Water Diver Brevet
2007-08-18 IDD Advanced Diver P.J.G. Heyden, van D.C. Seac Sub Zaltbommel 002.069812 IDD Advanced Diver Brevet
2008-01-02 IDD Medical Trained P.J.G. Heyden, van D.C. Seac Sub Zaltbommel 002.069812
2008-01-02 IDD Oxygen Provider P.J.G. Heyden, van D.C. Seac Sub Zaltbommel 002.069812
2008-07-04 IDD Nitrox P.J.G. Heyden, van D.C. Seac Sub Zaltbommel 002.069812
2008-07-04 IDD Rescue P.J.G. Heyden, van D.C. Seac Sub Zaltbommel 002.069812