From U-Boat.net
U-49
Laid down 15 Sep, 1938 Germaniawerft, Kiel
Commissioned 12 Aug, 1939 Kptlt. Kurt von Goßler
Commanders 12 Aug, 1939 - 15 Apr, 1940 Kurt von Gossler
Career 4 patrols 12 Aug, 1939 - 31 Oct, 1939 7. Flottille (training)
1 Nov, 1939 - 31 Dec, 1939 7. Flottille (front boat)
1 Jan, 1940 - 15 Apr, 1940 7. Flottille (front boat)
Successes 1 ship sunk for a total of 4.258 GRT
Fate Sunk 15 April, 1940 near Narvik, Norway in position 68.53N, 16.59E, by depth charges from the British destroyers HMS Fearless and HMS Brazen. 1 dead and 41 survivors.
Update
The wreck was located on 3 March 1993 by the Norwegian submarine Skolpen. The boat is lying at a depth of 300 meters.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-49 did not suffer any casualties (we know of) until the time of her loss.