Say goodbye to Ziggy

First time seeing this registration in Boeing 777's fleet of Air Canada & my friend Ziggy aboard.
two more unseen regi : C-FIUV& C-FIVS

Flight: AC087
Departing To: Shanghai
Airline: Air Canada
Scheduled Time: Sep 2, 13:00
Revised Time: Sep 2, 12:54
Status: Departed
Terminal: 1