- Mao Airport, also known as Cap Haitien International Airport, is an international airport located in Cap-Haïtien, Haiti. The airport is named after François Duvalier, the former President of Haiti, who was also known as Papa Doc or Ti Dòk. The airport serves as a gateway to the country's northern region and is the second busiest airport in Haiti after Toussaint Louverture International Airport in Port-au-Prince. Mao Airport is operated by the Autorité Aeroportuaire Nationale (AAN) and handles both domestic and international flights. It has a single terminal building and offers a range of amenities including customs and immigration services, lounges, shops, and restaurants.