Análise estatística de boletins de serviço de aeronaves agrícolas: estudo de caso sobre o embraer série 200.

Abstract

The present study proposed a comprehensive statistical analysis of the Service Bulletins of the EMBRAER agricultural aircraft of the Series 200, known as Ipanema. Adopting an analytical approach, the research utilized bibliographic and documentary methods, based on articles, technical documents, aviation regulations, and reports, with both qualitative and quantitative perspectives. The results highlight the close relation-ship between the number of Service Bulletins and the size of the fleet, being more influenced by the overall history of the series than by the individual characteristics of each model. It was found that as the global fleet of the Series 200 expands, the occurrence of field events increases, driving continuous improvements in design. Through various analyses regarding the systems most affected by Service Bulletins of these aircraft, compliance requirements, and labor needed to fulfill this class of technical publications, it was possible to perceive that agricultural aircraft of this series undergo initial periods of continuous improvement, with this phase experiencing the highest in-cidence of bulletin issuance, and subsequently reach a phase of stability, a characteristic caused by the limitations of the original design, as well as the enhancement of the aircraft in response to already known issues. The Series 200 "Ipanema" had a higher incidence of improvement in fuel systems, powerplant group, and wings, driven by the need for fuel economy, greater capacity for agricultural pesticide loading, and better flight performance. It was found that the maturity of the project occurred around 5 years, a fixed period of analysis where the peak of design modifications occurred in each model, until reaching the stabilization phase. This process of continuous improvement was essential for the consolidation of the Series 200 as a lasting reference in agricultural aviation.