????:1?????v:??????

2?????????

3?????qq?

4???????

5??????????

??????1???????????????????????29????,?????????????,????????????(American Airlines)?AA5342??????,???Bombardier CRJ700?????????????,?60?????????

??????????????????“?????????”?

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

29?????????????????,?(DCFD)???,??????????,?????????????????

???,?????????????PSA??,???????????????????????H-60(?????????????“???????????????????”?)??????????????(? ??) ????????:??????????