|Ordered||21 Nov 1940|
|Laid down||17 Dec 1942||Kriegsmarinewerft (KMW), Wilhelmshaven (werk 157)|
|Launched||23 Dec 1943|
|Commissioned||17 Feb 1944||Oblt. Johann Buttjer|
|Successes||No ships sunk or damaged|
This boat was fitted with a Schnorchel underwater-breathing apparatus and sailed equipped with it in March 1945 but it was of course installed prior to that date.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-774 did not suffer any casualties (we know of) until the time of her loss.