Transport in Chad north of Lake Chad, are practically nonexistent; it is easier to reach Niger via Cameroon and Nigeria. Chad had an estimated 58 airports, only 9 of which had paved runways. Air Tchad (60 percent state owned) provides internal service to 12 locations but suffers from lack of fuel and equipment. The international airport at N’Djamena was damaged in fighting in 1981, but is now served by several international carriers including Air Afrique, which is partly owned by Chad. Another major airport, developed as a military staging area, is located at Sarh. In 2003, scheduled airlines in Chad carried about 46,000
Far North Region, Cameroon the Mandara Mountains. The Mayo Kébi, Mayo Louti, and their tributaries form part of the Niger River basin. The Louti rises in the Mandaras, passing and swelling the Kébi in the North Province. The Kébi rises south of Yagoua and flows into western Chad. The province's other rivers are part of the Chad Basin. The El Beid River flows northwest from the Kalamalou National Park and forms the northernmost stretch of the border between Cameroon and Nigeria. The Mayo Tsanaga rises south and west of the El Béïd's source and moves eastward at the north of the Diamaré Depression. The