Pilots are invited to fly either direction between Vancouver and Calgary during the Rockies Crossfire, . Those wishing to fly the return leg are encourages to start a little early.
Into Calgary (CYC), aircraft flying at or above FL180 should include MENBO Q983 IGVEP in their route. IFR at 18,000' or below, include MENBO T703 IGVEP. Use the VESGA (props) or IGVEP (jets) arrivals.
IFR into Vancouver (CYVR), jets and the DH8D include BOOTH and the CANUC arrival. Props (but not the Q400) route via BOOTH and the LIONN arrival.
And of course, VFR flights are encouraged!