Avianca Costa Rica on 17 October 1945 by Pan American World Airways, the Costa Rican government and Costa Rican private interests. It started operations on 1 June 1946 and was designated the national carrier in 1949. Its domestic network was transferred to its wholly owned subsidiary Sansa in September 1959. LACSA operated the Douglas DC-6B four-engined piston airliner from 1960 until 1976 on their regular passenger, and eventually freight, scheduled flights to Miami International Airport. The airline introduced the first of their British Aircraft Corporation BAC One-Eleven twin-engined jet airliners onto their Caribbean passenger route network in April 1967. The airline also operated
Virtual airline (hobby) and The Pentagon had used PC-based flight simulators for training. Despite the initial concerns of the involvement of virtual airlines in these terrorist activities, largely little has come from these claims to date and no changes have been noted as occurring in their operation as a result. Virtual airline (hobby) A virtual airline (VA) is a dedicated hobby organization that uses flight simulation to model the operations of an airline. Virtual airlines generally have a presence on the Internet, similar to a real airline. Many hundreds of virtual airlines of significance are currently active, with tens of thousands of participants