| Name: | OUDALOY or UDALOY |
| Type: | Cargo Ship |
| Launched: | 15/12/1857 |
| Completed: | 03/1858 |
| Builder: | C Mitchell & Co |
| Yard: | Low Walker |
| Yard Number: | 44 |
| Dimensions: | 796grt, 236.0(OA) x 32.0 x 16.5ft |
| Engines: | Steam, 80nhp |
| Engines by: | R Stephenson & Co, Newcastle |
| Propulsion: | 1 x Screw |
| Construction: | Iron |
| Reg Number: | n/a |
| History: | |
| 03/1858 | Russian Steam Navigation & Trading Co, Sevastopol |
| 1866 | Sank |
| Comments: | Also known by its English language name SUCCESSFUL |
| For service on the Black Sea & Sea of Azoff | |
| 12/11/1866: Ashore near port of Sudak, Crimea | |
| 25/11/1866: Steamer ARGONAUT starts to tow her to Sevastopol | |
| 29?11/1866: Tow sinks in the Black Sea, 15 miles from cape Ayu-Dag, Crimea |