Nummer: 26021
| Area : | Indic Ocean |
| Nationality of U-boat : | Japanese |
| U-boat : | I-3 ? |
| Commander : | Tonozuka |
| Used weapon(s) : | Gunfire |
| Date of sinking : | 03.03.1942 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Tongariro |
| Year of launch : | 1925 |
| Actual tonnage : | 8720 BRT |
| Actual result : | target visibly missed |
| Position of target : | 150nm SW Fremantle/Perth |
| Footnote : | The British steamer "Tongariro" (8.719 grt) was attacked 150nm SW Freemante by a submarine with gunfire. She was lucky to escape. I-3 was operating in the area at the same time, but did not claim a success. |
| updated on: | 11.02.2004 |
| Remark: | I-3 ? |
| Changes: | 1) Boyd C., 24.11.95 2) Kolbicz/E260 02.2002: Anm.: 8719grt 3) Visje/Rohwer: Angriff nur von "Tongariro" gemeldet. |