Nummer: 04603
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 12.03.1941 |
| Time of attack : | 18:26 |
| Nationality of U-boat : | German |
| U-boat : | U 37 |
| Commander : | Clausen |
| Grid : | AM 1461 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 400 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Gunfire |
| Date of observation : | 12.03.1941 |
| Nationality of target : | Icelandic |
| Actual type of target : | Trawler, Drifter |
| Name of target : | Petursey |
| Year of launch : | .. |
| Actual tonnage : | 91 BRT |
| Actual result : | sunk |
| Position of target : | S Iceland |
| Footnote : | U-37/Clausen was obviously not the only boat near Iceland, but we find U-74/Kentrat in this area, too. According to the logs U-74 damaged "Frodi", and U-37 sank "Petursey". |
| updated on: | 00.00.0000 |
| Remark: | Pet-ur-sey |
| Changes: | 1) Rohwer, 10.10.95: ... |