sentences: "Abbotsham" was one of the third series of "Ham"-class minesweepers, with an all-wooden hull, and was built by William Blackmore, completing on 10 January 1957.The "Ham" class proved to be too small to carry modern minesweeping gear, and like many of the class, "Abbotsham" was quickly placed in operational reserve, entering this state in November 1957.