Colombia

SATENA (Servicio Aéreo a Territorios Nacionales) is a Colombian government owned airline with its main hub at El Dorado International Airport, Bogota. It was established on 12th April 1962 by the then President, Alberto Lleras Camargo, who created the airline using Decree 940 in order 'to form an aerial transport service for the benefit of the underdeveloped regions of the country, with the object of promoting the welfare of educational campaigns, agricultural and pastoral development and the economic and social progress of such territories'. Under control of the Colombian Air Force, the aircraft carry both civilian and Air Force registrations.