在整个进近着陆过程中，任一在座驾驶员喊出“复飞”，
PF 就必须执行复飞，观察员喊出“复飞”，可以不执行复飞。In the whole process of approach and landing, once any pilot in left or right seat makes a callout “Go-around”, the PF must implement go-around action; but if the "Go-around" comes from the mouth of jump- seat observer pilot, it can be neglected.