A/S Aero A/S Aero A/S Aero was a Norwegian airline company founded by Tancred Ibsen in January 1920. The company was financed by Tancred Ibsen's uncle, businessman Einar Bjørnson, and two shipowners. Despite the "A/S" (for private company limited by shares) in its name, A/S Aero was never formally registered as a limited company. The company purchased one Hansa Brandenburg W.29 and four Friedrichshafen FF.49 aircraft from Germany in February. This deal was probably illegal as the Entente prohibited the export of German surplus aircraft, but Ibsen nevertheless got permission from the Norwegian Ministry of Defence to import the five German aircraft.
Aero Costa Rica Aero Costa Rica Aero Costa Rica was an airline based in San José, Costa Rica. In 1997 it ceased operations. Its US offices were in Miami Springs, Florida. Aero Costa Rica ACORI, S.A. started service on 11 May 1992 with two Boeing 727-200 Ex-Pan Am (N353PA and N354PA) from San José to Miami. This was the only international carrier that was able to break the airline monopoly in Costa Rica held by Lineas Aereas Costarricenses S.A. (LACSA) since 1945. In July 1992 Aero Costa Rica's flight ML-211 made an emergency landing at Owen Roberts International Airport, Grand Cayman when the