?? ??60????? ?“???????????????”?????
????:1????????:???????????
2?????????
3??????????
4????????
5??????v
???1????????29?,???????,????????????(American Airlines)???????AA5342??????,??Bombardier CRJ700??,???60??????????????
????????????????????????“?”?
?????????????????,???,??????????
29???????????????????,????(DCFD)???,????????????????,???????
?,?????????????PSA?????????,???????????????????????H-60(???????????????????????“??”??)??????????????(?????? ????????????????) ??:????????