Air Namibia is the Namibian airline name. With the SW IATA code and ICAO code of NMB. Information sourced from wikipedia Air Namibia is the national airline of Namibia, headquartered in Windhoek. It operates scheduled domestic, regional, and international passenger and cargo services under IATA airline designator SW and ICAO airline designator NMB. Its international hub is Windhoek Hosea Kutako International Airport, with a domestic hub at the smaller Windhoek Eros Airport. The carrier is wholly owned by the Namibian government. Air Namibia is a member of both the International Air Transport Association and the African Airlines Association.