Originally Posted by
SK AAR
Based on the reports in this thread, the TK agents at IST will most likely tag your luggage all the way to YYC (I think you have to collect the luggage at YVR, clear customs and drop it for the flight toYYC like in the US, but I'm not sure). No first hand experience, sorry.
Thank you. Indeed, I should clear Customs at YVR, first point of entry.