?????60? ??“???????????????”?????

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

????????????????“???????????????????????”?

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

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

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