下列哪些情况可以在没有教员带飞的情况下由副驾驶完成起飞和着陆操作？ Which of the following circumstances can the co-pilot complete takeoff and landing operations without the instructor?
A.机场的最新气象报告中有效能见度值等于或者小于1200米 The latest airport weather reports effective visibility is equal or less than 1200m
B.所用跑道有水 Water on the duty runway
C.所用跑道的侧风分量为5 米/秒 Duty runway crosswind more than 5m/s
正确答案是C