North part of Belgian Territor...
Birkenfels MV
Callisto MV
Alfonso Tercero MV
Normandie Z.511
ZZ B 146/241
Britse Noordzee: Vercoutter 20, kruik
ZH 139/247
UB-32
ZH 140/252
Ptarmigan SS
Anticipator SS (?)
ZZ B 150/232
ZZ B 149/234
ZZ B 148/229
ZZ B 146/232
ZZ B 146/236
ZZ B 141/220
