Nummer: 13406
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 04.11.1942 |
| Time of attack : | 19:10 |
| Nationality of U-boat : | German |
| U-boat : | U 437 |
| Commander : | Schulz |
| Grid : | BD 4145 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 7000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Footnote : | U-437 observed two hits after 2:00 min and heard a boiler explosion after 10 min. |
