Ship on the map:

LANGE WAPPER
IMO: 9174139 MMSI: 205309000 Type: Suction Dredger
SCHELDT RIVER
IMO: 9778143 MMSI: 205708000 Type: Hopper Dredger
BONNY RIVER
IMO: 9810939 MMSI: 253665000 Type: Hopper Dredger
total vessels: 3