Headquartered in Johannesburg, Airlink (4Z) flies to 16 destinations across South Africa, as well as cities in Botswana, Lesotho, Madagascar, Mozambique, Swaziland, Zambia, Zimbabwe and Namibia. It also has a strategic alliance with South African Airways (SA) and South African Express Airways (XZ). Airlink's fleet consists of 34 aircraft, including Avro RJ85, Embraer ERJ 135LR, Embraer ERJ 145 and BAe Jetstream 41 planes. Most are configured with a single Economy Class cabin, although some of the Avro RJ85 planes also feature a Business Class cabin. Airlink has a hub at O. R. Tambo International Airport (JNB).