Nummer: 28907
| Area : | Pacific Ocean |
| Sea area : | West Pacific |
| Date of attack : | 21.02.1945 |
| Nationality of U-boat : | Japanese |
| U-boat : | Ha-84 |
| Commander : | Matsuda (Sakuichi) |
| Grid : | Mindanao |
| presumed target type : | Heavy cruiser |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | T.U.78.76 |
| Date of observation : | 21.02.1945 |
| Time of observation : | 11:00 |
| Nationality of target : | American |
| Actual type of target : | Destroyer |
| Name of target : | Renshaw (DD.499) |
| Year of launch : | 1944 |
| Actual tonnage : | 2050 ts |
| Actual result : | damaged |
| Position of target : | 24.36n 141.48e |
| Footnote : | During February midget submarines reported one transport and one destroyer sunk. The war diary of Ro-43 doesn't report any attack, as this boat had been sent to the area of Iwo Jima on Feb.17th. The success is instead claimd for Ha-84 south of Siquijor Island. |
| Convoy : | T.U.78.76 |
| Route of convoy : | |
| Remark to convoy : | US Task Unit |
| updated on: | 04.01.2005 |
| Remark: | DD Renshaw |
| Changes: | 1) Chronology, p. 2) Kingsepp, 4.1.2005: 3) Kommandant: Uffz Masuda (Kingsepp) |