NTSB调查在华府附近发生的导致67人死亡的中空碰撞,目的是防止今后发生事故。 NTSB investigates midair collision near D.C. that killed 67 people, aiming to prevent future accidents.

国家运输安全委员会(NTSB)正在举行为期三天的听证会,调查1月美国航空公司一架区域喷气式飞机与美国陆军一架黑鹰直升机在华盛顿特区附近发生空中碰撞,造成机上67人全部死亡。 The National Transportation Safety Board (NTSB) is holding a three-day hearing to investigate the January midair collision between an American Airlines regional jet and a U.S. Army Black Hawk helicopter near Washington, D.C., which killed all 67 people on board. 听证会的目的是收集诸如无线电传输和夜视镜等因素的事实,而不责怪任何人。 The hearing aims to gather facts on factors like radio transmissions and night-vision goggles without assigning blame. 国家航空安全委员会将向联邦航空局提出建议,防止今后发生事故。 The NTSB will provide recommendations to the FAA to prevent future accidents. 预计明年年初将提出完整的报告。 The full report is expected early next year.