Leslie Campbell's article An airport in our midst in the July/August issue was very informative.
I live overlooking Victoria's middle and outer harbours, and have clear views of both Middle Harbour's Alpha Runway (East-West) and Outer Harbour's Bravo Runway (NE-SW).
Leslie Campbell’s article quotes Transport Canada's Simon Rivet on the subject of “noise mitigation strategies” implemented by Transport Canada for Victoria Harbour air traffic: “We only allow three-bladed turbo-prop aircraft, which is the quietest version of a floatplane in existence.”
It is true that turbo-prop air