10.-11.1989 The Baltic Sea, RS Alkor (IFM, Kiel)
06.-07.1995 Japan Sea, RS Hakurei Maru (NIRE, Tsukuba,
Japan)
07.-08.1999 Transpacific, RS Hakuhou Maru
(NIRE, Tsukuba, Japan)
1989-1999 Kieler Bucht and German coast - several day trips using
Littorina RV of IFM, Kiel.