Nummer: 20015
| Area : | Arctic Ocean |
| Date of attack : | 20.09.1942 |
| Time of attack : | 06:31 |
| Nationality of U-boat : | German |
| U-boat : | U 435 |
| Commander : | Strelow |
| Grid : | AB 2272 |
| presumed target type : | Destroyer |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | QP.14 |
| Date of observation : | 20.09.1942 |
| Time of observation : | 05:20 |
| Nationality of target : | British |
| Actual type of target : | Fleet Minesweeper |
| Name of target : | Leda (N.93) |
| Year of launch : | 1937 |
| Actual tonnage : | 835 ts |
| Actual result : | sunk |
| Position of target : | 76.30n 05.00e |
| Footnote : | U-435 observed one hit after 46 sec, heard detonations after 4:10 min and 4:30 min, and observed a destroyer sinking. |
| Convoy : | QP.14 |
| Route of convoy : | Russia - Iceland |
| Remark to convoy : | Sep 1941 to Dec 1942, then RA (counter traffic = PQ) |