Convoy route ONS
| Code | ONS |
| Route | Outward, northbound, slow |
| Area | North Atlantic |
| Notes | Slow convoys from the UK to North America. |
| Convoys | Date | Losses | |
1942 | |||
| ONS-67 | Feb 1942 | 8 ships sunk with a total of 54,750 tons. | |
| ONS-92 | May 1942 | 7 ships sunk with a total of 36,284 tons. | |
| ONS-100 | Jun 1942 | 5 ships sunk with a total of 20,478 tons. | |
| ONS-102 | Jun 1942 | 1 ship sunk with a total of 5,627 tons. | |
| ONS-122 | Aug 1942 | 4 ships sunk with a total of 17,235 tons. | |
| ONS-136 | Oct 1942 | 4 ships sunk with a total of 18,811 tons. | |
| ONS-144 | Nov 1942 | 6 ships sunk with a total of 26,321 tons. | |
| ONS-146 | Dec 1942 | 1 ship sunk with a total of 6,089 tons. | |
| ONS-154 | Dec 1942 | 15 ships sunk with a total of 64,884 tons. | |
| ONS-156 | Dec 1942 | 1 ship sunk with a total of 3,978 tons. | |
1943 | |||
| ONS-165 | Feb 1943 | 2 ships sunk with a total of 9,415 tons. | |
| ONS-167 | Feb 1943 | 2 ships sunk with a total of 13,466 tons. | |
| ONS-2 | Apr 1943 | 1 ship sunk with a total of 3,835 tons. | |
| ONS-3 | Apr 1943 | 2 ships sunk with a total of 10,403 tons. | |
| ONS-5 | Apr 1943 | 13 ships sunk with a total of 61,958 tons. | |
| ONS-7 | May 1943 | 1 ship sunk with a total of 5,196 tons. | |
| ONS-20 | Oct 1943 | 1 ship sunk with a total of 6,625 tons. | |
1944 | |||
| ONS-33 | Oct 1944 | 1 ship sunk with a total of 1,370 tons. | |
| ONS-33G | Oct 1944 | 1 ship sunk with a total of 1,370 tons. | |
19 ONS convoys successfully attacked in the war.
76 ships were sunk with a total of 368,095 GRT.
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