U Class
| Type | SS |
|---|---|
| Country | UK |
| Displacement (t) | 540 |
| Length (m) | 191.0 |
| Beam (m) | 16.0 |
| Draft (m) | 15.0 |
| Height (m) | 20.0 |
| Max speed submerged (kn) | 10.0 |
| Max speed surfaced (kn) | 11.3 |
| Max safe depth (m) | 61 |
| Diesel-electric | Yes |
| Titanium hull | No |
Individual hulls (1)
| Name | Short name | Country | Commissioned | Decommissioned | Remark |
|---|---|---|---|---|---|
| Ula | Ula | Norway | 1943-04-03 | 1965-02-07 |