Incident to the Airbus A320 registered C-FZQS and operated by Air Canada on 30/01/2016 at Toronto [Investigation led by TSB / Canada]

Preliminary data based on the notification from the Canadian authorities:

C-FNAW, an Air Canada Embraer 190 operating as flight ACA726, was taxiing for departure on Runway 24R at Toronto/LBPIA, ON (CYYZ). ACA726 taxied onto the runway without a clearance while an Air Canada Airbus A320, C-FZQS, operating as flight ACA1259, was on short final for landing on Runway 24R. ACA1259 initiated a missed approach as a result of the incursion.