Nummer: 15611
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 12.03.1943 |
| Time of attack : | 02:09 |
| Nationality of U-boat : | German |
| U-boat : | U 653 |
| Commander : | Feiler |
| Grid : | AJ 9154 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 4000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo coup de grâce |
| Convoy : | ONS.169s |
| Date of observation : | 09.03.1943 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Thomas Hooker |
| Year of launch : | 1942 |
| Actual tonnage : | 7176 BRT |
| Actual result : | sunk |
| Position of target : | 53n 43w |
| Footnote : | "Thomas Hooker" reported breaking up in heavy storm on March 7th; the crew was taken off by HMS "Pimpernel". The drifting wreck was sunk by U-653. |
| Convoy : | ONS.169s |
| Route of convoy : | United Kingdom - North America |
| Remark to convoy : | 1st series: Jul 1941 to Mar 1943 ON and ONS combined, later ON mit continuing and ONS with new numbering (counter traffic HX and SC) |