Nummer: 26302
| Area : | Indic Ocean |
| Date of attack : | 09.07.1942 |
| Time of attack : | 00:29 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-10 |
| Commander : | Kayahara |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 08.07.1942 |
| Nationality of target : | Dutch |
| Actual type of target : | Steam Freighter |
| Name of target : | Alchiba |
| Year of launch : | 1920 |
| Actual tonnage : | 4427 BRT |
| Actual result : | sunk |
| Position of target : | 18.30s 41.40e |
| Footnote : | According to Japanese sources "Alchiba" was damaged by I-18 on Jul.1st and sunk on Jul.9th, 1942 by I-10. - According to Dutch sources "Alchiba" was not damaged on Jul.1st. -According to British sources "Alchiba" was already sunk on Jul.1st, 1942. |