It is expected that at such locations the requirements of chapter 3 are to be met at least in the guidance sector for all published instrument procedures to a defined point beyond which the MLS guidance is not used for intended operations.To assist appropriate authoriries with the initial appraisal of the suitability of such individual MLS installations for the intended operations, relevant coverage restrictions need to be promulgated. 其中MLS 为微波着陆系统 其他的实在是一锅粥!是一个美国科技文件的附件里的...工作所迫 望有高人相助!
参考资料:在这些