前言 在葡萄牙军用飞机工厂的修理、维护和试验等有关的工作场所进行了综合噪声调查。方法对暴露于涡轮发动机、螺旋浆、涡轮螺浆发动机、直升机和其它类型飞机等工作场所的噪声进行了测量。在不同的试车和试验台的工作环境中进行了声学测量。对辅助动力和其他仪器发出噪声的暴露进行测量和评 INTRODUCTION A comprehensive noise survey was carried out at workplaces related to the repair, maintenance and testing of military aircraft factories in Portugal. Methods The noise exposure at workplaces such as turbine engines, propellers, turboprop engines, helicopters and other types of aircraft was measured. Acoustic measurements were performed in different test and test bench working environments. Measure and evaluate exposure to auxiliary power and other instrumentation