Microburst minus 30 knots on final approach 微下击暴流风速减少达30海里小时最后进场。
2.
Microburst minus 30 knots on final approach . a trial has started on 1 april 2003 and will last for 6 months 微下击暴流;风速减少达30海里/小时;最后进场。
3.
Pilots not familiar with this alerting principle may be caught by surprise when on approaching the airport they first experience a gain event windshear of 15 kt instead of a loss event microburst of - 30 kt at the first encounter 3 mile final location only to encounter a loss of - 30 kt a couple of seconds later at 1 mile final 他们在三海里处首次相遇位置所遇到的,并不是风速减少的情况- 30海里/小时的微下击暴流,而是风速增加的情形+ 15海里/小时的风切变。而于数秒后到达最后进场1海里处却遇到- 30海里/小时的风速减少情况。