I spent some time today looking at the Toronto VTA and the CFS entries for Buttonville (YKZ), Downsview (YZD), Pearson (YYZ), and Toronto Island (YTZ) airports. My goal was to try and understand the airspace around my home airport (Buttonville).

I think I’ve figured it out. But first, some definitions:

Control Zone

Those are the highlighted areas around the aerodromes (blue for class “C” airspace, red for class “D” and green for class “E”). Their purpose is to offer better control between IFR and VFR traffic. They are only present around aerodromes with …

Every week (or so) I’m going to post of a photo of something aviation related along with a clue. It’s your job to guess what the part is by leaving a comment (using the link below).

Named after the French physicist that invented it.

Good luck!