ATC
Montreal Flight Region Expands CPDLC to Route Clearances
CPDLC Had Been Limited over Montreal
Montreal-Dorval Airport (Photo: Wikimedia Commons)

Controller-pilot datalink communications (CPDLC) is being expanded in the Montreal flight information region to include messages containing route clearances. According to Nav Canada Aeronautical Information Circular (AIC) 15/23, implementation of CPDLC route clearance messages will be communicated via notams before initiation. CPDLC has been used in the Montreal FIR on a limited basis since 2012.

Under the expanded procedures, Montreal ATC will be able to accept pilot-initiated CPDLC route requests and uplink the appropriate clearance using flight management system (FMS) loadable data, thereby reducing readback/hearback and transposition errors. After receiving a clearance that can be automatically loaded into the FMS, the pilot should load the clearance into the FMS and review it before responding with “wilco,” “unable,” or “standby.”

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