Nummer: 225030
| Area : | Mediterranean |
| Sea area : | North Atlantic |
| Date of attack : | 24.12.1940 |
| Nationality of U-boat : | Italian |
| U-boat : | SETTEMBRINI |
| Commander : | Baldi |
| Grid : | N Derna |
| presumed target type : | Submarine |
| presumed result : | target visibly missed |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 24.12.1940 |
| Time of observation : | 05:45 |
| Nationality of target : | British |
| Actual type of target : | Submarine |
| Name of target : | Otus |
| Year of launch : | 1928 |
| Actual tonnage : | 1475 ts |
| Actual result : | target visibly missed |
| Position of target : | 33.20n 22.43n |
| updated on: | 28.11.2015 |
| Remark: | NEU |
| Changes: | 1) http://uboat.net/allies/warships/ship/3399.html |