Nummer: 23103
| Area : | Mediterranean |
| Sea area : | North African Seaway |
| Date of attack : | 17.03.1942 |
| Time of attack : | 23:17 |
| Nationality of U-boat : | German |
| U-boat : | U 83 |
| Commander : | Kraus |
| Grid : | CO 6775 |
| presumed target type : | Tanker |
| presumed tonnage : | 8000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | AT.34 |
| Date of observation : | 17.03.1942 |
| Nationality of target : | British |
| Actual type of target : | Motor Tanker |
| Name of target : | Crista |
| Year of launch : | 1938 |
| Actual tonnage : | 2590 BRT |
| Actual result : | damaged |
| Position of target : | 32.21n 25e |
| Convoy : | AT.34 |
| Route of convoy : | Alexandria-Tobruk |
| Remark to convoy : | Nov.1941 to Jun.1942 (return traffic: TA) |
| updated on: | 00.00.0000 |
| Remark: | -MT |
| Changes: | 1) Kolbicz/L2 4.2002: Motortanker 2) Hague, 22.2.2013: Konvoi AT.34 |