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
Cimber (airline) and CRJ200 aircraft. In January 2017, SAS reached an agreement with CityJet whereby CityJet bought Cimber and would continue to operate flights on behalf of SAS. Cimber does not operate any routes under its own brand. All flights are conducted on behalf of Scandinavian Airlines, within their regional and European route network. The Cimber fleet consists of the following aircraft (as of August 2017): The airline previously operated the following aircraft: Cimber (airline) Cimber A/S was a Danish airline headquartered in Sønderborg and based at Copenhagen Airport. It flies exclusively for Scandinavian Airlines (SAS) on a wet lease (ACMI) contract.