Nummer: 10913
| Area : | Western Area |
| Sea area : | US East Coast |
| Date of attack : | 16.07.1942 |
| Nationality of U-boat : | German |
| U-boat : | U 166 |
| Commander : | Kuhlmann |
| Grid : | DM 34 |
| Used weapon(s) : | Gunfire |
| Date of observation : | 16.07.1942 |
| Time of observation : | 09:00 |
| Nationality of target : | American |
| Actual type of target : | Fishery Motor Vessel |
| Name of target : | Gertrude |
| Year of launch : | .. |
| Actual tonnage : | 16 BRT |
| Actual result : | sunk |
| Position of target : | 23.32n 82.00w |
| updated on: | 00.00.0000 |
| Remark: | -Mf |