????????????????2??????????????????????15?? ???????????,??????????14????,?????(NTSB)????,???,????“???”???,??????????????“?”?

??????,1?????29????,??“?”??????,???,??????????????????,??67???

???????????1?29???,????????????????????,??????1???30???????????????? ? ???????????????????????

???????????????????????14????,“?”?,??????????,???

??,???,??????????????“??”??????,????????????????????????????????????,???????????????????????????????????????,????

????????????????,??????????????????,?“????????????”???????,?????????????,“???”????????

?????,?????“??????”??????????????????????,???,??,???????

?,??,??????????????????????,???

????????????,?278??????????????(85 ?),??????,??????,“????????????”

?????:???

??

??:???????????,??????????,??????????????