Nummer: 07618
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 31.01.1942 |
| Time of attack : | 23:31 |
| Nationality of U-boat : | German |
| U-boat : | U 105 |
| Commander : | Schuch |
| Grid : | BE 2784 |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | SL.98 |
| Date of observation : | 31.01.1942 |
| Time of observation : | 20:35 |
| Nationality of target : | British |
| Actual type of target : | Sub Chaser |
| Name of target : | Culver (Y.87) |
| Year of launch : | 1928 |
| Actual tonnage : | 1546 ts |
| Actual result : | sunk |
| Position of target : | 48.43n 20.14w |
| Footnote : | U-105 fired a 4-torpedo salvo and observed two hits with a big explosion. She assumed a hit on an ammunition freihter, but in reality "Culver" exploded. She was equipped with the first operational automatic HF/DF-set. |
Sub Chaser Culver (Y.87) ex American Coast Guard Cutter Mendota (bis 1940)
| Convoy : | SL.98 |
| Route of convoy : | Sierra Leone (Freetown) - United Kingdom (Liverpool) |
| Remark to convoy : | Since Sep 1939; from May 1943 combined with MKS in Atlantic, counter traffic = OS. |