| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Code |
Notes |
| UA | UK to Azores, three convoys to occupy the islands in 1943. |
| uc | UK to New York, reversal of CU. Occasionally a T suffix. |
| UGF | USA to Gibraltar, later Naples, started Nov 1942. |
| UGL | USA to Gibraltar, landing craft convoys. |
| UGS | USA to Gibraltar, later Port Said Nov 42-May 45. |
| UL | Elbe to Humber post May 1945. |
| UR | Loch Ewe (later Belfast) to Reykjavik (Iceland), |
| US | Australia to Suez. US 3 diverted to UK via Cape. |
| UT | USA to UK troop convoys 1943-44. |
Converted from the original by kind permission of Mrs. Gill Hague.