Nummer: 16101a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 02.04.1943 |
| Time of attack : | 18:55 |
| Nationality of U-boat : | German |
| U-boat : | U 124 |
| Commander : | Mohr |
| Grid : | CF 3628 |
| presumed target type : | --- |
| presumed tonnage : | ---- --- |
| presumed result : | hit not ascertained |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OS.45 |
| Date of observation : | 02.04.1943 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Katha |
| Year of launch : | 1938 |
| Actual tonnage : | 4357 BRT |
| Actual result : | sunk |
| Position of target : | 41.02n 15.39w |
| related attacks : | Angriff 1 |
| Convoy : | OS.45 |
| Route of convoy : | London / Liverpool - Freetown (Sierra Leone) |
| Remark to convoy : | Since Jul 1941, from Apr 1943 combined with KMS in Atlantic (counter traffic = SL) |