FAA 报告：在 DCA 发生致命坠机事故之前，一名管制员同时管理飞机和直升机的交通。 FAA report: Single controller managed both aircraft and helicopter traffic before fatal crash at DCA.

美国联邦航空管理局的一份报告显示，在美国航空公司的一架航班与一架军用直升机发生空中相撞时，罗纳德·里根国家机场空中交通管制塔台的人员配备“不正常”，导致 67 人死亡。 A Federal Aviation Administration report indicates that staffing at the air traffic control tower at Ronald Reagan National Airport was "not normal" at the time of a mid-air collision between an American Airlines flight and a military helicopter, resulting in 67 fatalities. 通常，两名管制员分别管理飞机和直升机的交通，但在坠机时，一名管制员同时处理这两件事。 Typically, two controllers manage aircraft and helicopter traffic separately, but at the time of the crash, a single controller was handling both. 美国国家运输安全委员会正在调查这起事件。 The National Transportation Safety Board is investigating the incident.