Nummer: 15919
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 19.03.1943 |
| Time of attack : | 10:47 |
| Nationality of U-boat : | German |
| U-boat : | U 527 |
| Commander : | Uhlig |
| Grid : | AL 4835 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 8000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | HX.229 s |
| Date of observation : | 19.03.1943 |
| Time of observation : | 09:54 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Mathew Luckenbach |
| Year of launch : | 1918 |
| Actual tonnage : | 5848 BRT |
| Actual result : | damaged |
| Position of target : | 54.23n 23.34w |
| Footnote : | "Mathew Luckenbach" was abandoned by the crew after deliberately straggling. She was torpedoed by U-527 and sunk few hours later by U-523 (see FN.3249). |
| Convoy : | HX.229 s |
| Route of convoy : | (New York) - Halifax - United Kingdom |
| Remark to convoy : | Sep 1939 to Sep 1942 ab Halifax, then from New York (counter traffic = ON), vgl. HXF und SC. |