The typhoon subject to change the direction of the wind, often ChuRenYuLiao, typhoon center landing sites often and forecast of outsiders.
台风的风向时有变化，常出人预料，台风中心登陆地点往往与预报相左。
2
Make monthly maintenance plan according to annual plan, flight plan, Maintenance Program and aircraft status, forecast the landing time and down time for monthly scheduled check and non-routine task;
In order to forecast the occurrence year of a landing typhoon in Zhejiang, a commensurable formula of three elements was used in arrangement and calculation.