????:1???????????:???????????

2???????????

3?????

4?????

5???????

???????12????30??? ???????????,29??????????7C2216?????????“????????”????,????

????29???,?179??,2????????

??29???????,?????????179????,2?????????????,???(CVR)???????,????(FDR)?????FDR??

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???????????????????????,????????FDR?????????????,??????????????(NTSB)?????NTSB????????????,?????

???????????????????,FDR??????????CVR????FDR??,??????????FDR?????????????????????????????????????????????????????????????????????????CVR???????????????????????????????

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