Losses during the Battle of the Atlantic Losses during the Battle of the Atlantic Losses during the Battle of the Atlantic

| Month_year | Sunk_by_U_Boat | Sunk_by_aircraft | Sunk_by_warship_or_raider | Sunk_by_mines | German_submarines_lost |
|---|---|---|---|---|---|
| 40-09 Sep. `40 | 295335 | 56328 | 96288 | 8269 | 1 |
| 40-10 Oct. `40 | 352407 | 8752 | 32134 | 32548 | 1 |
| 40-11 Nov. `40 | 146613 | 66438 | 123671 | 46672 | 2 |
| 40-12 Dec. `40 | 212590 | 14890 | 55728 | 54331 | 0 |
| 41-01 Jan. `41 | 126782 | 78597 | 80796 | 17107 | 0 |
| 41-02 Feb. `41 | 196783 | 89305 | 89096 | 16507 | 0 |
| 41-03 Mar. `41 | 243020 | 113314 | 138906 | 23585 | 5 |
| 41-04 Apr. `41 | 249375 | 323454 | 91579 | 24888 | 2 |
| 41-05 May `41 | 325492 | 146302 | 15002 | 23194 | 1 |
| 41-06 Jun. `41 | 310143 | 61414 | 17759 | 15326 | 4 |
| 41-07 Jul. `41 | 94209 | 9275 | 5792 | 8583 | 0 |
| 41-08 Aug. `41 | 80310 | 23862 | 24897 | 1400 | 4 |
| 41-09 Sep. `41 | 202820 | 40812 | 22910 | 14948 | 2 |