[2] Both brothers qualified as pilots before the war and Syl served as a pilot in the Air Transport Auxiliary during World War II and James in the RAF.
[3] The brothers resumed their family motorcycle business after the war.
[2] Anderton began his racing career before World War II.
[4] In 1949, he competed in his first Isle of Man TT event with brother James in the pits.
He also competed in the Ulster Grand Prix from 1949 to 1951,[2] riding Triumph and Norton motorcycles between 1949 and 1952.