Mitarbeit in Gremien 
Working Group on ECDIS Specifications: Hecht 
Technical Assessment Working Group (TAWG): Hecht 
Committee „Worldwide Electronic Navigational Chart Data Base“ (WEND): Dr. Ehlers (Vors.), Hecht 
Finance Committee: Roth 
Experts in Maritime Boundary Delimination: Kappel 
Legal Advisory Committee: Dahlke 
Working Group on Standards for Nautical Cartographers: Kappel 
Northern Europe Regional Electronic Navigational Chart Co-ordinating Centre (RENC) 
Directing Board: Dr. Ehlers 
Advisory Committee: Dr. Ehlers. 
Technical Expert Group: Funcke 
Strategic Planning Working Group: Dr. Ehlers 
Tidal Committee: Goffinet 
Baltic Sea Hydrographic Commission (BSHC): Dr. Ehlers, Hecht 
Baltic Sea Bathymetric Grid Working Group: Dr. Leimer (Vors.) 
Baltic Sea International Chart Committee (BSICC): Frau Spohn 
North Sea Hydrographic Commission (NSHC): Dr. Ehlers, Hecht 
NSHC Tidal Working Group: Goffinet 
International Maritime Organization (IMO, Internationale Seeschiffahrts-Organisation) 
Marine Environment Protection Committee 
Working Group on Unwanted Aquatic Organisms in Ballast Water: Dr. Rolke 
Maritime Safety Committee (MSC): Hannken 
Sub-Committee on Radiocommunications and Search and Rescue: Klauschen 
Sub-Committee on Safety of Navigation: Eckert, Hannken 
Sub-Committee on Ship Design and Equipment: Kissenkotter 
IMO/IHO Harmonization Group on Electronic Chart Display and Information Systems 
(ECDIS): Hecht 
International Panel of Experts for a Fixed Link across Ôresund 
Dr. Mittelstaedt 
International Telecommunication Union (ITU) 
ITU - World Radio Conference (WRC-97): Klauschen