Nummer: 27019b
| Area : | Indic Ocean |
| Date of attack : | 10.09.1943 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-27 |
| Commander : | Fukumura |
| presumed result : | hit not ascertained |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 09.09.1943 |
| Time of observation : | 17:00 |
| Nationality of target : | British |
| Actual type of target : | MTB |
| Name of target : | MTB 284 |
| Year of launch : | 1940 |
| Actual tonnage : | 32 ts |
| Actual result : | sunk |
| Position of target : | aboard "Larchbank" |
| Footnote : | With "Larchbank" the MTB-284 and MTB-285 were lost. |
| related attacks : | Angriff 1 Angriff 2 |
| updated on: | 00.00.0000 |
| Remark: | PT |