Nummer: 26320
| Area : | Indic Ocean |
| Sea area : | South Africa |
| Date of attack : | 07.10.1942 |
| Time of attack : | 09:26 |
| Nationality of U-boat : | German |
| U-boat : | U 172 |
| Commander : | Emmermann |
| Grid : | GR 5671 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 07.10.1942 |
| Nationality of target : | Panamanian |
| Actual type of target : | Motor Freighter |
| Name of target : | Firethorn |
| Year of launch : | 1937 |
| Actual tonnage : | 4700 BRT |
| Actual result : | sunk |
| Position of target : | 34.13s 17.21e |
Motor Freighter Firethorn ex Danish Norden (bis 1941)