Nummer: 28208
| Area : | Pacific Ocean |
| Sea area : | South Pacific |
| Date of attack : | 01.03.1943 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-10 |
| Commander : | Yamada |
| Grid : | New Hebrides |
| presumed target type : | Tanker |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 01.03.1943 |
| Nationality of target : | American |
| Actual type of target : | Steam Tanker |
| Name of target : | Gulfwave |
| Year of launch : | 1937 |
| Actual tonnage : | 7141 BRT |
| Actual result : | damaged |
| Position of target : | 20.30s 174.45e |