Nummer: 17213d
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 23.09.1943 |
| Time of attack : | 04:17 |
| Nationality of U-boat : | German |
| U-boat : | U 238 |
| Commander : | Hepp |
| Grid : | AJ 9522 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 4000 BRT |
| presumed result : | damaged |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Torpedo with preset course |
| Convoy : | ON.202 |
| Date of observation : | 23.09.1943 |
| Time of observation : | 00:20 |
| Nationality of target : | Norwegian |
| Actual type of target : | Motor Freighter |
| Name of target : | Skjelbred |
| Year of launch : | 1937 |
| Actual tonnage : | 5096 BRT |
| Actual result : | damaged |
| Position of target : | 53.18n 40.34w |
| Footnote : | U-238 fired two T-3 torpedoes, two FAT, and another T-3. Four ships of 19,000 gross tons were reported sunk, and one damaged, but only three ships really sank. |
| related attacks : | Angriff 1 Angriff 2 Angriff 3 Angriff 4 |
| Convoy : | ON.202 |
| 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) |
| updated on: | 00.00.0000 |
| Remark: | Quadrat |
| Changes: | 1) FAT [+ T3] Nach 2:00 Min Treffer |