20、RNP AR仪表程序,进近过程中水平横向保护区域的限制值是? During RNP AR approach, the l

20、RNP AR仪表程序,进近过程中水平横向保护区域的限制值是? During RNP AR approach, the limitation of lateral protection area is ___.

A.±1×RNP;

B.±2×RNP;

C.±3×RNP;

正确答案是B