1.1 范围 本规范规定了涡轮轴和涡轮螺桨发动机性能、工作特性、设计特点、各界面的详细结构和安装轮廓.还规定了上述发动机的验证、试验、报告、检查程序和使用部门要求的发动机试飞前规定试验(PFRT)和定型试验(QT)的圆满完成,以及验收所需的其他数据.另外,这个规范统一了为圆满完成这两种型式发动机生产单位的验收试车(AT) 1.1 Scope This Code specifies the performance, working characteristics, design features, detailed structure and mounting profile of the turboshaft and turboprop engines, as well as the engine verification, testing, reporting, inspection procedures and engine requirements of the operating department The successful completion of pre-flight PFRT and QT, as well as other data required for acceptance, together with the acceptance test (AT) for the successful completion of both types of engine production units,