72 
International Maritime 
Organization 
(I MO, Internationale 
Seesch ifffahrts-Organ i- 
sation) 
Chart Standardization & Paper Chard Working 
Group (CSPCWG) 
Sylvia Spohn 
Baltic Sea Hydrographie Commission (BSHC) 
Dr. Mathias Jonas; 
Thomas Dehling 
Baltic Sea Chart Datum Working Group (CDWG) 
Dr. Wilfried Ellmer 
Baltic Sea International Chart Committee 
(BSICC) 
Sylvia Spohn 
BSHC Resurvey Monitoring Working Group 
Thomas Dehling (stv.Vorsitz) 
Baltic Sea Bathymetric Data Working Group 
(BSBDWG) 
Jürgen Monk 
Baltic Sea ENC Harmonisation Working Group 
(BSEHWG) 
Holger Fasterding 
North Sea Hydrographic Commission (NSHC) 
Dr. Mathias Jonas; 
Thomas Dehling 
NSHC Resurvey Working Group 
Thomas Dehling (Vorsitz); 
Bernd Vahrenkamp 
Transfer Standard Maintenance and Applica 
tions Development Working Group (TSMAD, 
IHO) 
Arvid Elsner 
NSHC-TWG (North Sea Hydrographic Commis 
sion - Tidal Working Group) 
Dr. Patrick Goffinet 
Marine Environment Protection Committee 
(MEPC) 
Jörg Kaufmann; 
Dr. Manfred Rolke 
Maritime Safety Committee 
Jörg Kaufmann; 
Grit Tüngler; 
Dr. Liliane Rossbach 
Legal Committee 
Grit Tüngler 
Sub-committee on Flag State Implementation 
Jörg Kaufmann; 
Grit Tüngler 
Sub-committee on Radiocommunications and 
Search and Rescue 
Ralf-Dieter Preuß; 
Hans-Karl v. Arnim 
Sub-committee on Safety of Navigation 
Ralf-Dieter Preuß; 
Jochen Ritterbusch; 
Dr. Mathias Jonas 
E-NAV Correspondence Working Group 
Jochen Ritterbusch 
IMO Correspondence Group zum Polar Code 
Dr. Jürgen Holfort 
Sub-committee on Ship Design and Equipment 
Ralf-Dieter Preuß; 
Grit Tüngler