Cable Layer / Koushin Marusold in January 2006
Koushin Maru
| Built | 1998 Hitachi Zosen Co., Ltd. Japan |
| Converted | 2001 Kyokuyo Shipyard Co., Ltd. Japan |
| Length over all | 98.06m |
| Breadth | 16.50m |
| Gross tonnage | 4.822ｔ |
| Draft fully loaded | 6.30m |
| Dead weight | 3,628ｔ |
| Electric power generators | 4 x 1,600kW |
| Propulsion | 3 x 1,400kW (3 x Azimuth CPP) |
| Bow thrusters | 2 x 830 kW(Tunnel CPP), 1 x 675kW (Tunnel CPP) |
| DPS | SIMRAD SDP-21 |
| Service speed | 12knots |
| Accommodation | 44 berths |