- Doini Airport is a small airport located in the Southern Highlands province of Papua New Guinea. It serves the rural community of Doini and the surrounding areas. The airport has a single runway and is primarily used for domestic flights. The airport is operated by the local government and provides essential air transportation services for the local population, as well as for medical and emergency services. Due to its remote location, Doini Airport is often the primary means of transportation for people living in the area.