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Uncontrolled Airspace
| Domestic Airspace | Altimeter Regions | Controlled Airspace | Uncontrolled Airspace | Airspace Classifications | RVSM |
General
Within uncontrolled airspace in Canada, aircraft may operate free of the control of an ATC unit. However all aircraft are required at all times to conduct their activities with regard to the Canadian Aviation Regulations.
When cruising in uncontrolled airspace pilots are advised to monitor continuously the frequency 126.7 and 122.8 whenever practicable, and to make periodic en-route position reports on both frequencies. The frequency 126.7 is monitored by the Canadian Flight Information Centres when in operation.
When operating in proximity of uncontrolled airports pilots are required to call on the published Aerodrome Traffic Frequency (ATF) published on charts, and in the CFS.
The following airspace in considered uncontrolled:
Class G airspace (shaded green on LO IFR en-route charts)
Class A/B/C/D/E airspace when the cntrolling unit is closed, and no other unit is available to provide service on behalf of the closed unit.