1.) Ship driving licenses:

   License A:  for yachts with or without engine within area "A" (Inland Waters)
   Yacht-Master License B:  for yachts within the field of "Navigation Area 3 - 200sm".
   Yacht-Master License:  for motor yachts within the field of "Navigation Area 3 - 200sm".

2.) Radio Operators Certificates for any Ship- and Coast Station:

Radio Operator's General Certificate for Maritime Service    Long Range Certificate (LRC)

3.) Amateur Radio:

Amateur Radio License, Callsign: OE1GTU, (OE4GTU)