Hart was built by Alexander Stephen and Sons, Glasgow, Scotland, was laid down on 27 March 1942, launched on 7 July 1943, and completed on 12 December 1943.

In 1944 Hart undertook convoy protection duties in the North Western Approaches and Irish Sea.

In July 1945 she was allocated for service with the British Pacific Fleet and was at Rabaul on 6 September 1945 for the Surrender of Japan in that area.

In 1957, West Germany purchased seven escorts, including Hart for its newly established Bundesmarine.

[2] She was subsequently converted by Seebeck in 1962, for use as a radar training ship and was armed with two bofors guns, in place of the twin 4-inch armament.