Nummer: 23507
| Area : | Mediterranean |
| Sea area : | Eastern Mediterranean |
| Date of attack : | 22.07.1942 |
| Time of attack : | 04:55 |
| Nationality of U-boat : | German |
| U-boat : | U 77 |
| Commander : | Schonder |
| Grid : | CP 2988 |
| presumed target type : | Sailing Freight Vessel |
| presumed tonnage : | 150 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Gunfire |
| Date of observation : | 23.07.1942 |
| Time of observation : | 05:00 |
| Nationality of target : | British |
| Actual type of target : | Miscellaneous Auxiliary |
| Name of target : | Vassiliki (KAL.186) |
| Year of launch : | 1879 |
| Actual tonnage : | 140 BRT |
| Actual result : | sunk |
| Position of target : | 34.45n 34.35e |
| Footnote : | U-77 sank eight sailing vessels by gunfire between 22nd July and 16th Aug, 1942. |
| updated on: | 00.00.0000 |