the bloomberg bgov barometer stat**tics indicate that northrop's global hawk and general **ic's predator and reaper h**e a combined 9.31 accidents for every 100,000 hours of flying time which ** the highest rate of any aircraft of any category and more than triple the air force fleet wide **erage of 3.03 accidents for every 100,000 hours. 目前看到一组数据,大家如何看这组事故率? 无人机市场异常… 20210311