Arslanian says there is no evidence the jetliner encountered any problems before takeoff, and says an initial report on the crash is likely by the end of the month.

• 阿尔斯拉尼安说，没有证据显示这架班级在起飞前遇到任何麻烦；他还表示，大概在月底前能发布坠毁事件的初步报告。