Nummer: 09921
| Area : | Western Area |
| Sea area : | US East Coast |
| Date of attack : | 30.05.1942 |
| Time of attack : | 10:24 |
| Nationality of U-boat : | German |
| U-boat : | U 404 |
| Commander : | Bülow |
| Grid : | CB 4765 |
| presumed target type : | Steam Freighter id |
| presumed tonnage : | 5491 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 30.05.1942 |
| Time of observation : | 08:25 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Alcoa Shipper |
| Year of launch : | 1920 |
| Actual tonnage : | 5491 BRT |
| Actual result : | sunk |
| Position of target : | 37.49n 65.15w |
Steam Freighter Alcoa Shipper ex American Davenport (bis 1940)