美客机与军机相撞事故调查听证会将于7月30日起进行

Core Points - The National Transportation Safety Board (NTSB) will hold a three-day investigative hearing starting July 30 regarding the January incident where a passenger plane collided with a military helicopter, resulting in 67 fatalities [1] - The collision occurred near Ronald Reagan Washington National Airport, involving a passenger aircraft carrying 64 people and a "Black Hawk" helicopter with three military personnel [1] - This incident is reported to be the most severe aviation accident in Washington since 1982, with no survivors from the crash [1]