- Koethen airport (officially known as Koethen-Dessau Airport) is a small public airport located in the city of Koethen, Germany. The airport serves the region of Anhalt-Bitterfeld and is primarily used for general aviation purposes. It has a single grass runway with a length of 920 meters (about 3,020 feet). The airport offers facilities for private and recreational pilots, including hangars, refueling services, and flight training. It does not have any commercial airlines operating regular flights.