Nummer: 00420
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 17.10.1939 |
| Time of attack : | 08:00 |
| Nationality of U-boat : | German |
| U-boat : | U 46 |
| Commander : | Sohler |
| Grid : | BE 9373 |
| presumed target type : | Motor Tanker |
| presumed tonnage : | 5000 BRT |
| presumed result : | damaged |
| Used weapon(s) : | Gunfire |
| Convoy : | HG.3 |
| Date of observation : | 17.10.1939 |
| Time of observation : | 08:35 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | Yorkshire |
| Year of launch : | 1920 |
| Actual tonnage : | 10184 BRT |
| Actual result : | target visibly missed |
| Position of target : | 44.54n 12.40w |
| Footnote : | U-46 had been attacking a tanker first with 4 rounds of the 8,8cm gun. As the tanker fired back U-46 preferred to dive. -At 16:30h the detonation of a steamer was heard ("Yorkshire"). - KTB U-46 reported the next attack against a tanker at 16:40h. U-46 observed a hit midships in the machine room and the ship listing. - With the 3rd attack at 17:00h a torpedo was fired against the tanker, but it was dud. |
| Convoy : | HG.3 |
| Route of convoy : | Gibraltar - United Kingdom (home) |
| Remark to convoy : | Sep 1939 to Sep 1942, then MKF und MKS |