Nummer: 05305
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 20.05.1941 |
| Time of attack : | 21:24 |
| Nationality of U-boat : | German |
| U-boat : | U 138 |
| Commander : | Gramitzky |
| Grid : | AM 2338 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 12000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | 3- |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 20.05.1941 |
| Nationality of target : | British |
| Actual type of target : | Motor Freighter |
| Name of target : | Javanese Prince |
| Year of launch : | 1926 |
| Actual tonnage : | 8593 BRT |
| Actual result : | sunk |
| Position of target : | 59.46n 10.45w |
