Nummer: 06716b
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 26.09.1941 |
| Time of attack : | 00:31 |
| Nationality of U-boat : | German |
| U-boat : | U 203 |
| Commander : | Mützelburg |
| Grid : | BE 4156 |
| presumed target type : | Tanker |
| presumed tonnage : | 12000 BRT |
| presumed result : | sunk |
| Number of torpedoes/mines : | - |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HG.73 |
| Date of observation : | 25.09.1941 |
| Time of observation : | 22:33 |
| Nationality of target : | British |
| Actual type of target : | Passenger Liner |
| Name of target : | Avoceta |
| Year of launch : | 1923 |
| Actual tonnage : | 3442 BRT |
| Actual result : | sunk |
| Position of target : | 47.57n 24.05w |
| Footnote : | U-203 fired a 4-torpedo-spread, observed one hit and heard three additional detonations after diving. Later, a steamer was observed in sinking condition, and a tanker being damaged. The latter was claimed to be sunk by a coup de grâce at 6:34h. |
| related attacks : | Angriff 1 Angriff 2 |
| Convoy : | HG.73 |
| Route of convoy : | Gibraltar - United Kingdom (home) |
| Remark to convoy : | Sep 1939 to Sep 1942, then MKF und MKS |
| updated on: | 00.02.2002 |
| Remark: | -DP |
| Changes: | 1) Kolbicz E67, 02.2002: -DP 2) "Lapwing" had stopped to take survivors on board. |