|This may be a start to your search, or another dead end. The Carrier he would have served on was HMCS Bonaventure. She was decommisioned on June 3, 1970, the last of Canada's carriers.
I've never done much research with the Canadian Navy before, so hopefully a nominal role is available. Might be somewere as the "Bonnie" is one of Canada's infamous Naval ship, was the pride of the Navy in her day.