Nummer: 04011
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 27.12.1940 |
| Time of attack : | 14:45 |
| Nationality of U-boat : | Italian |
| U-boat : | TAZZOLI |
| Commander : | Raccanelli |
| Grid : | 59.16n 20.27w |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 4980 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 3 |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OB.263 |
| Date of observation : | 27.12.1940 |
| Time of observation : | 18:02 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Ardanbhan |
| Year of launch : | 1929 |
| Actual tonnage : | 4980 BRT |
| Actual result : | sunk |
| Position of target : | 59.16n 20.27w |
| Footnote : | "Waiotira" was first torpedoed by U-95/Schreiber on Dec.26th at 18:05h GMT, and sunk on Dec.27th at 01:46h MET by U-38 / Liebe. U-38 did not participate on the attack against "Ardanbhan". |
| Convoy : | OB.263 |
| Route of convoy : | Liverpool - North America (out) |
| Remark to convoy : | Sep 1939 to Jul 1940 via South Ireland, Jul to Okt 1940 via North Cannel, then ON. |