Aircraft operators and pilots who intend to operate aircraft that do not meet the Canadian ADS-B mandate within Class A airspace may submit a request for an accommodation using this form. Accommodations are intended for a single flight only and must be submitted 3 business days before flight. Accommodations will be based on the following principles: Safety of flight Air Traffic Services available in the affected airspace Impacts to other airspace users NAV CANADA will communicate the status of the accommodation via e-mail. More information is available at

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