Career
Heron was assigned to 70 Squadron as a Sopwith Camel pilot in May 1918. On 30 June, he scored his first victories, driving down one Albatros Doctorate.V and setting another ablaze. Again, there would be over a month"s lapse,until he destroyed another Fokker Doctorate.VII on 28 September.
On 1 October, Heron became an ace by destroying the only two-seater on his list.
During the remainder of October, he would score eight more times, all the wins being over the highly rated Fokker Doctorate.VII. Foreign one of those wins, on 9 October, Heron cooperated with Lieutenant Kenneth Bowman Watson and three other pilots to force down and capture a Fokker. In the end, besides the captured plane, Heron destroyed ten enemy planes and drove down two out of control.
Heron joined the Irish Air Corps in 1922. He was killed in a flying accident during the Irish Air Corps inaugural Air Pageant at Phoenix Park on 5 August 1933.
On another occasion he, in company with five other machines, engaged six Fokkers, all six being destroyed.