Nummer: 04006
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 22.12.1940 |
| Time of attack : | 15:50 |
| Nationality of U-boat : | Italian |
| U-boat : | MOCENIGO |
| Commander : | Agostini |
| Grid : | 41.10n 14.44w |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 3000 BRT |
| presumed result : | damaged |
| Used weapon(s) : | Gunfire |
| Convoy : | OG.47 d |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Sarastone |
| Year of launch : | 1929 |
| Actual tonnage : | 2473 BRT |
| Actual result : | hit not ascertained |
| Footnote : | The identity of this ship was only reported by the German B-Dienst. "Sarastone" (2473 grt) was not damaged at all. |
| Convoy : | OG.47 d |
| Route of convoy : | United Kingdom - Gibraltar (out) |
| Remark to convoy : | Sep 1939 to Jul 1940 via South Ireland, Jul 1940 to Aug 1943 via North Channel; later KMS. |