FSX Aerolinea de Antioquia DHC-6 Twin Otter. Aerolinea de Antioquia is a regional airline with its headquarters on the property of Olaya Herrera Airport in Medellin, Colombia. The airline operates scheduled domestic services from Medellin to over 20 destinations. Its main base is Olaya Herrera Airport. Dedicated to Juan Carlos Mejia who has more 19,000 hours in the DeHavilland Twin Otter. Textures in .dds format for the payware Aerosoft Twin Otter Extended model. Repaint by Manuel Jose, Contact Ground.