After confirmation of the high specific mechanical properties of composite materials through scientific studies conducted over the last few decades, one of the new challenges for this class of materials is to achieve mass production capacity at a more affordable cost, which has become indispensable. Resin Transfer Moulding (RTM) is an excellent process for manufacturing composite materials. Although it is a process widely used by international industries in the production of high-performance structural composites, only recently has the national aeronautical industry shown interest in implementing this type of processing for more complex structures with greater structural responsibility. Considering aeronautical criteria, the reproducibility and relatively low cost of this process, several studies have been developed in Brazil to learn and improve this technique. This process is suitable for producing polymer components of both simple and complex geometry, in addition to allowing consistent thicknesses to be achieved, with high-quality finishes.