| Name: | NETLEY CASTLE |
| Type: | Passenger and Car Ferry |
| Launched: | 23/11/1973 |
| Completed: | 04/1974 |
| Builder: | Ryton Marine Ltd |
| Yard: | Wallsend |
| Yard Number: | 531 |
| Dimensions: | 1183grt, 567nrt, 300dwt, 73.82 x 15.22 x 2.28m |
| Engines: | 4 x Oil engines, 4SA, 8cyl (159 x 203mm), 2260bhp |
| Engines by: | Caterpillar Tractor Co, Peoria, Illinois |
| Propulsion: | 4 x Screws (2 x forward, 2 x aft, directional propellers) |
| Construction: | Steel |
| Reg Number: | 361802 |
| History: | |
| 04/1974 | Southampton, Isle of Wight and South of England RMSP Co Ltd |
| 1997 | Jadrolinija, Rijeka; renamed SIS |
| Comments: | Capacity for 1000 x passengers & 80 x cars (or equivalents) |
| Completed by the administrators after the failure of Ryton Marine Ltd | |
| 05/2023: Still in service |
Above photo as NETLEY CASTLE is copyright of Robert J Smith
Above photo as NETLEY CASTLE is copyright of John Jones
Above photo as NETLEY CASTLE is copyright of Ken Smith
Above photo as SIS is copyright of Helen Krmic
Above photo as SIS is copyright of Helen Krmic
Above photo as SIS is copyright of Helen Krmic