Date Course Instructor Dive school Number Scans
1999-10-24 Open Water Diver G.J. Kruitbos D.C. Seac Sub 002.054954
2007-08-18 Advanced Diver Pieter van de Heijden D.C. Seac Sub 002.054954
2008-01-02 Medical Trained P.J.G. van de Heijden D.C. Seac Sub 054954
2008-01-02 Oxygen provider P.J.G. van der Heijden D.C. Seac Sub 054954
2008-04-22 Rescue Diver P.J.G. van der Heijden D.C. Seac Sub 002.054954
2008-04-30 Enriched Air Nitrox P.J.G. van der Heijden D.C. Seac Sub 002.054954
2008-09-13 AED P.J.G. van der Heijden DC Seac Sub 002.054954