Nummer: 26709b
| Area : | Indic Ocean |
| Sea area : | South Africa |
| Date of attack : | 04.03.1943 |
| Time of attack : | 03:46 |
| Nationality of U-boat : | German |
| U-boat : | U 160 |
| Commander : | Lassen |
| Grid : | KZ 2442 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 5000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | DN.21 |
| Date of observation : | 04.03.1943 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Sheaf Crown |
| Year of launch : | 1929 |
| Actual tonnage : | 4868 BRT |
| Actual result : | damaged |
| Position of target : | 31.49s 31.11e |
| Footnote : | "Marietta E." had 8 LCPs (-673, -680, -684, -685, -689, -692, -693 and -727), each 10 ts, on board. - "Sheaf Crown" was damaged and towed to East London. |
| related attacks : | Angriff 1 |
| Convoy : | DN.21 |
| Route of convoy : | Durban northbound (br) |
| Remark to convoy : | Since Jan 1943 |