Over the last two decades, the development of Unmanned Aerial Vehicles (UAVS) has shown to be feasible in order to perform several tasks with certain degree of risk. This kind of tasks was previously held by conventional manned aircrafts. Nowadays, current UAVS employment has brought economic benefits in agricultural, energy, public safety and telecommunication areas, among others, considering operational costs, maintenance, and safety. The Air Force, Army and Navy under the Brazilian Department of Defense are developing a UAV in the so-called Veiculo Aéreo Não Tripulado (VANT) Project. The Brazilian Aeronautics Institute of Technology (Instituto Tecnológico de Aeronáutica -^sITA) in its Software Engineering Research Group worked in a Preliminary Testing Monitoring Station (PTMS) (Estaçéo de Monitoramento de Ensaios Preliminares -^sEMEP). The PTMS is considered a key part of the VANT Project. Therefore, the major contribution of this paper reports a complete development life-cycle using state-of-the-art practices provided by System Engineering, Rational Unified Process (RUP), Military Standards, Model-Driven Development (MDD), and Integrated -^sComputer Aided Software Engineering -^sEnvironment (I-CASE-E) tools. Finally, the effective use of those modern approaches has enabled the Unmanned Aircraft System (UAS) to be developed, integrated on-time and to work as expected and specified.
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