Nummer: 23817
| Area : | Mediterranean |
| Sea area : | Western Mediterranean |
| Date of attack : | 14.11.1942 |
| Time of attack : | 05:13 |
| Nationality of U-boat : | German |
| U-boat : | U 73 |
| Commander : | Deckert |
| Grid : | CH 7455 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | Torch westbound |
| Date of observation : | 14.11.1942 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Lalande |
| Year of launch : | 1920 |
| Actual tonnage : | 7453 BRT |
| Actual result : | damaged |
| Position of target : | 36.08n 03.46w |
| Footnote : | U-73 observed one hit and saw 20 survivors. Possibly "Maron" was hit during this attack and "Lalande" was hit by U-81. |
| Convoy : | Torch westbound |
| Route of convoy : | Westward to Gibraltar |
| Remark to convoy : | Alliied landing in French North Africa 8. Nov. 1942 |