I'm flying to Halifax tomorrow with WestJet and taking my Phantom 2 Vision. The vision will be checked baggage, in a GoProfessional case. I'll be carrying my batteries(2) in my carry on. I checked with a WestJet representative at the airport, and after about 20 minutes, they said I could only take 1 battery. All of the info that I can find online doesn't say I'm limited to 1. Anyway, the final decision will be up to CATSA in the morning. Just to be safe, I'll have my wife carry 1 of them. I'm interested to hear of other people's experiences flying in Canada with Lipos?