This module provides the pilot with an overview of procedures regarding oceanic clearances in the North Atlantic. It covers the various means of obtaining your clearance to include voice and data link. This module presents the contents of clearances for both voice and data link to include when changes have been made, either from filed or amended by ATC. Procedures are discussed as to the proper procedures to mitigate errors in loading and verifying that the clearance is correctly loaded in the navigation system. As the procedures for obtaining clearances vary slightly between FIRs, highlights of each of the six NAT FIRs are presented.
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Gander OCR Change: VHF Voice Clearances Before Oceanic Entry Point
Update to the previous Gander OCR Procedure update.
For Gander, the departure clearance will be the oceanic clearance unless it is modified by ATC. The aircraft shall NOT change the route unless ATC clears it for the route change.
Before an aircraft reaches its Oceanic Entry Point (OEP), Gander (CDQX) FIR Domestic ATC will issue oceanic route clearances and amendments via VHF voice communications instead of CPDLC loadable Route Clearance uplink messaging.
Other OCR procedures, including Oceanic flight planning, RCL submission requirements and timing, and CPDLC route conformance monitoring, will continue unchanged. Route changes issued to aircraft after passing the OEP will continue to be issued via CPDLC or HF communications.
For voice RCL requests or issues with an RCL rejection message, pilots should contact ATC on the assigned (current) control frequency.
Source: AIP Canada Supplement 130/25
Updated NAT Doc 007 Ver 2026.1 Effective 19 March 2026
NAT Doc 007, North Atlantic Operations and Airspace Manual, has been updated and is effective 19 March 2026. This may be downloaded using the link below to review prior to it becoming effective. The Resource Vault and ICRH External Document Access links will be updated shortly before the 2026 edition becomes effective. The 2025 NAT Doc 007 will be available there until then.
11D - North Atlantic (NAT) Operations
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11D - North Atlantic (NAT) Operations
