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After nearly two years of testing and validation, the Agency for Aerial Navigation Safety in Africa and Madagascar (ASECNA) went operational with the deployment of space-based ADS-B across its six Flight Information Regions (FIRs)—Antananarivo, Brazzaville, Dakar Oceanic, Dakar Terrestrial, Niamey, and N’Djamena—in December 2019.