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 limi

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.±2×RNP

B.±1×RNP

C.±3×RNP

正确答案是1