LASs, HASs, of a traffic helicopter hovering. AIR TO AIR SHOT of the helicopter, snowy ground visible in the distant background. ZOOM IN on the helicopter. ZOOM OUT and hold until the helicopter pulls away. Various ELSs, AIR TO AIR SHOTs, LSs, of the traffic helicopter flying over Montreal, over a very busy expressway, traffic interchanges, over the downtown district. ELS of the traffic helicopter approaching landing area, landing in a cloud of snow in front of the Hilton Hotel at Dorval Airport (now known as the Pierre Elliott Trudeau International Airport). AIR TO AIR TRAVELLING SHOT of the traffic helicopter flying over refineries.