Districts of the Northwest Territories until 1920, but with no population to administer, this district designation was effectively unused after 1912. The three remaining districts continued to be used for a number of decades, but as control over the territory was moved from departments of the federal government to a centralized government in Yellowknife starting in 1967, they began to have far less use. Although the Districts of Franklin, Mackenzie and Keewatin continued to appear on many maps (and were technically still extant), by the 1980s the actual practical governance of the Northwest Territories was divided into four administrative regions: Inuvik, Fort Smith, Keewatin and
Yellowknife and 30,000 tonnes of cargo yearly. It has two asphalt runways, one strip and another of ; while the Yellowknife Airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency, it is certified for general aviation aircraft only. The Yellowknife airport is designated by the Royal Canadian Air Force (RCAF) as a forward operating location for the CF-18 Hornet. Despite its shorter runways, the airport can still accommodate 747s and other wide-body aircraft for emergency landings. Air traffic control services, Instrument landing system (Category 1), and radar services are provided