| Name: | RAGNAR |
| Type: | Cargo Ship |
| Launched: | 28/03/1906 |
| Completed: | 05/1906 |
| Builder: | Wood, Skinner & Co Ltd |
| Yard: | Bill Quay |
| Yard Number: | 133 |
| Dimensions: | 1216grt, 671nrt, 232.7 x 35.5 x 14.1ft |
| Engines: | T3cyl (18, 29 & 50 x 33ins), 156nhp |
| Engines by: | J Dickinson & Sons Ltd, Sunderland |
| Propulsion: | 1 x Screw, 10.0knots |
| Construction: | Steel |
| Reg Number: | n/a |
| History: | |
| 05/1906 | Red A/B Sigurd (OS Hedberg), Malmo |
| 1918 | Norrkopings Red A/B; renamed OSTANVIK |
| 1932 | Red A/B Magnus Stenbock, Helsingborg; renamed BERTHA |
| 11/01/1941 | Sank |
| Comments: | 11/01/1941: Mined and sunk north of Tre Kroner in the Orseund |
| On voyage from Hamburg to Gothenburg with a cargo of coke |
Above photo as RAGNAR is courtesy of George Robinson
Above photo as Bertha is courtesy of Richard Cox