Nummer: 26211
| Area : | Indic Ocean |
| Sea area : | Ostafrika Küste |
| Date of attack : | 12.06.1942 |
| Time of attack : | 00:30 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-20 |
| Commander : | Yamada (T.) |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Used weapon(s) : | Gunfire |
| Date of observation : | 11.06.1942 |
| Nationality of target : | Panamanian |
| Actual type of target : | Steam Freighter |
| Name of target : | Hellenic Trader |
| Year of launch : | 1907 |
| Actual tonnage : | 2052 BRT |
| Actual result : | sunk |
| Position of target : | 14.40s 40.53e |
Steam Freighter Hellenic Trader ex American Catherine G. Sudden (bis 1939)