Agency for Aerial Navigation Safety in Africa and Madagascar
The Agency for Aerial Navigation Safety in Africa and Madagascar is an air [traffic control] agency based in Dakar, Senegal.
It manages 16.1 million square kilometres of airspace covering six Flight Information Regions – Antananarivo, Brazzaville, Dakar Oceanic and Terrestrial, Niamey and N’Djamena. ASECNA Air Traffic Control centres are based at international airports in each of these cities.
In July 2008, a strike by ASECNA staff in Gabon disrupted air traffic in Cameroon and elsewhere.