12/ The radar result becomes clearer when it is placed beside the weather at the time. Dorval's ASR-5 radar was operating on the evening of November 7. The airport's control tower director later confirmed that the RCMP had asked about an unknown object east of the airport and that no contact was found. Montreal Air Traffic Control also reported nothing unusual. The investigators worked through the radar coverage. At the altitudes suggested for the phenomenon, a conventional aircraft above cen...