a british design, the "bangor"-class minesweepers were smaller than the preceding s in british service, but larger than the in canadian service. they came in two versions powered by different engines; those with a diesel engines and those with vertical triple-expansion steam engines. "ungava" was of the latter design and was larger than her diesel-engined cousins. "ungava" was long overall, had a beam of and a draught of . the minesweeper had a displacement of . she had a complement of 6 officers and 77 enlisted.