Nummer: 25804
| Area : | Indic Ocean |
| Sea area : | Southeast Asia |
| Date of attack : | 24.12.1941 |
| Time of attack : | 10:28 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-166 |
| Commander : | Yoshitome |
| Grid : | 60nm NW Kuching (Borneo) |
| presumed target type : | Submarine |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 25.01.1942 |
| Nationality of target : | Dutch |
| Actual type of target : | Submarine |
| Name of target : | K-XVI |
| Year of launch : | 1933 |
| Actual tonnage : | 759 ts |
| Actual result : | sunk |
| Position of target : | 02.26n 109.49e |
| updated on: | 00.00.0000 |
| Remark: | K-XVI |
| Changes: | 1) Jan-Olof Hendig 01/1999: K-XVI statt K-XVII 2) sensuikan 7/2010: ZEIT1: 1028, POS2: 02.26n 109.49e 3) dutchsubmaries 3/2013: DAT2: 25(!?).12.1941 4) DD Sagiri + 24.12.1941 in 01.24n 110.21e von K-XVI |