Nummer: 09717a
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 21.05.1942 |
| Time of attack : | 03:23 |
| Nationality of U-boat : | German |
| U-boat : | U 159 |
| Commander : | Witte |
| Grid : | CF 7389 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 7000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Convoy : | OS.28 |
| Date of observation : | 21.05.1942 |
| Nationality of target : | British |
| Actual type of target : | Steam Freighter |
| Name of target : | New Brunswick |
| Year of launch : | 1919 |
| Actual tonnage : | 6529 BRT |
| Actual result : | sunk |
| Position of target : | 36.53n 22.55w |
| Footnote : | U-159 fired four torpedoes against a group of five ships. After run times of 1:45 min, 1:46 min, 1:50 min, and 1:55 min there were detonations and one column of fire was observed. Three ships were seen sinking, on of them burning. One of the damaged ships was hit by another torpedo from a 2-shot salvo. |
| related attacks : | Angriff 1 Angriff 2 Angriff 3 |
| Convoy : | OS.28 |
| Route of convoy : | London / Liverpool - Freetown (Sierra Leone) |
| Remark to convoy : | Since Jul 1941, from Apr 1943 combined with KMS in Atlantic (counter traffic = SL) |