RAFAEL TREVIÑO MARTINEZ is a retired Aeronautical Engineer, who lives in Alicante. Has worked most of his professional career as MRO Manager in the former Spanish company Helicópteros del Sureste, S.A. specializing in turbine helicopters but also has worked with a wide range of fixed wing aircraft as C-130, CN-235, C-212, Beech King Air Series and less frequent models as PZL Wilgas and OA-7 Opticas. In addition to his career in all aspects of aviation, he is interested in military history and archaeology.