Nummer: 02617
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 25.08.1940 |
| Time of attack : | 20:00 |
| Nationality of U-boat : | German |
| U-boat : | U 37 |
| Commander : | Oehrn |
| Grid : | AL 4463 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 2500 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Gunfire |
| Date of observation : | 25.08.1940 |
| Time of observation : | 21:30 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Yewcrest |
| Year of launch : | 1907 |
| Actual tonnage : | 3774 BRT |
| Actual result : | sunk |
| Position of target : | 55.10n 25.02w |
| Footnote : | On Aug.25th at 20:00h U-37 sighted a steamer in naval grid AL4572, and opened a dual gun fight. On Aug.26th at 3:07h "Yewcrest" sank in a burning condition in grid AL4463. |
| updated on: | 00.00.0000 |
| Remark: | 26.8.40, Anm. |