Nummer: 09917
| Area : | Western Area |
| Sea area : | Carribean Sea |
| Date of attack : | 29.05.1942 |
| Time of attack : | 01:03 |
| Nationality of U-boat : | German |
| U-boat : | U 156 |
| Commander : | Hartenstein |
| Grid : | ED 6483 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 28.05.1942 |
| Time of observation : | 23:04 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Norman Prince |
| Year of launch : | 1940 |
| Actual tonnage : | 1913 BRT |
| Actual result : | sunk |
| Position of target : | 14.40n 62.15w |
