[1] He played for Old Collegians in Christchurch and Ian Cromb influenced him as a young club player.

One of the best examples of his attacking batting was when his 155 and 35-ball 50 against Auckland won the Shell Trophy for Canterbury in the last game of the 1983–84 season.

[2] In 1984–85 McEwan was brought in as a late replacement for the Young New Zealand tour of Zimbabwe under the captaincy of Jeff Crowe.

[3] McEwan made his Test debut in the 1979–80 series against the West Indies and toured Australia in 1980–81 and Pakistan in 1984–85.

[5] An example of McEwan's strike power was his century at Lancaster Park against Northern Districts.

While McEwan did not achieve success on the international stage, he ended his career as Canterbury's greatest run scorer (5940) with the most centuries (11).

[7] In the 2022 Queen's Birthday and Platinum Jubilee Honours, he was appointed a Member of the New Zealand Order of Merit, for services to neonatal care.