Nuuk Airport afterwards international flights to Greenland were limited to Kangerlussuaq Airport in central western Greenland, to the north of Nuuk, an airport inherited from the U.S. Air Force when the former Sondrestrom Air Base was handed over to the then home rule government on 30 September 1992. With the airport being limited to serving small planes, the possibilities for international connections remain limited. Reopening of the connection to Iqaluit Airport was considered by Air Greenland in late 2009, but was later postponed until at least 2011. In order to compete with Air Iceland, which operates services to Nuuk, Narsarsuaq, Ilulissat, and
City proper offices. These questionnaires ask for the country-specific definition of urban areas, rural areas and city proper. In its glossary, the Yearbook defines "city proper" as "a locality defined according to legal/political boundaries and an administratively recognized urban status that is usually characterized by some form of local government". In its data however, the United Nations Demographic Yearbook affords the individual countries considerable leeway over the definition of "city proper". The table titled "Population of capital cities and cities of 100 000 or more inhabitants" provides several country-specific definitions for "city proper" that diverge from the provided definition: These definitions are