Nummer: 21407
| Area : | Baltic Sea |
| Sea area : | Aaland Islands |
| Date of attack : | 27.06.1941 |
| Time of attack : | 04:27 |
| Nationality of U-boat : | German |
| U-boat : | U 149 |
| Commander : | Höltring |
| Grid : | AO 2982 |
| presumed target type : | Submarine |
| presumed tonnage : | 206 ts |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 28.06.1941 |
| Nationality of target : | Soviet |
| Actual type of target : | Submarine |
| Name of target : | M-99 |
| Year of launch : | 1939 |
| Actual tonnage : | 206 ts |
| Actual result : | sunk |
| Position of target : | 59.20n 21.12e |
| Footnote : | U-149 hit one submarine of the M-class after a run time of 0:34 min. It probably belonged to the 8th division, and was possibly M-99. |
