|Ordered||20 Jan 1941|
|Laid down||21 Jul 1942||AG Weser, Bremen (werk 1052)|
|Launched||17 Feb 1943|
|Commissioned||29 May 1943||Oblt. Berthold Hashagen|
|Successes||No ships sunk or damaged|
Sunk 4 May, 1944 in the Bay of Biscay north of Cape Ortegal, Spain, in position 46.04N, 09.20W, by depth charges from a Canadian Wellington aircraft (RCAF Sqdn. 407/M). 57 dead (all hands lost).
U-846 operated with the following Wolfpacks during its career:
Rügen 3 (23 Dec 1943 - 28 Dec 1943)
Rügen 5 (28 Dec 1943 - 2 Jan 1944)
Rügen 4 (2 Jan 1944 - 7 Jan 1944)
Rügen (7 Jan 1944 - 26 Jan 1944)
Attacks on this boat and other events
2 May 1944
Aircraft attack, aircraft shot down: British Halifax HR741 (RAF Sqdn 58/H, pilot F/O D.E. Taylor)
04.07 hrs, Bay of Biscay, outbound: The aircraft was hit by flak after illuminating U-846 with three flares, and crashed into the sea, killing the crew of eight. The attack and subsequent crash were witnessed by British Liberator BZ873 (RAF Sqdn 53/S, pilot F/L E.B. LeMaistre). (Sources: Franks/Zimmerman)
1 recorded attack on this boat.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-846 did not suffer any casualties (we know of) until the time of her loss.