First we should wait to see what the other verdict on this issue will be sometime in early October before taking action.
If again it goes against Bombardier then I'm all for the cancellation of the propose new F18 fighters and the possible purchase of the F35 fighters.
But the best way to retaliate would be an immediate 220% tax on all already ordered and signed deals for Boeing products coming into Canada including orders from WestJet and Air Canada on all 737s.
If AC is still in line to receive new 787s, then they too should be taxed.