HUD特殊Ⅰ类精密进近的最低天气标准是____

HUD特殊Ⅰ类精密进近的最低天气标准是____

A.DH 60m,RVR550m

B.DH 30m,RVR350m

C.DH 45m,RVR450m

D.DH 45m,RVR550m

正确答案是C