美国国家运输安全委员会（NTSB）周四发布报告，认定2月在阿拉斯加海冰上坠毁、造成10人遇难的通勤飞机事故系多重因素叠加所致。1该事故发生在从Unalakleet至Nome的150英里定期航班上，飞机在Nome东南方约30英里处失踪，残骸后由漂流冰屑中回收。1
NTSB将责任指向运营商Bering Air的超重飞行历史与联邦航空局（FAA）的监管缺陷。1调查发现，Bering Air飞行记录中存在系统性的重量报告不足和超重运营模式，同时飞机在冰冷条件下仍维持超重状态。1FAA对该公司的监管不足，未能识别其疫情后运营复杂性的增加和快速增长。1此外，飞行员在准备进近时未能保持充分空速也是致事原因。1
NTSB主席Jennifer Homendy表示，这场悲剧"不是单一故障的结果，而是一系列可预防的故障导致了关键安全裕度的侵蚀"。1
The National Transportation Safety Board released findings Thursday into a commuter aircraft accident that claimed ten lives off Alaska in February, pointing to a pattern of overweight flights by the operator Bering Air and insufficient federal oversight as primary contributing factors 1. The NTSB determined that the airline had a systematic history of underreported weight and overweight operations, while the Federal Aviation Administration failed to identify increased operational complexity and rapid growth at the carrier following the pandemic 1.
The aircraft was operating a routine 150-mile commute between Unalakleet and Nome when it disappeared approximately 30 miles southeast of Nome; wreckage was later recovered from drifting sea ice 1. According to the investigation, the pilot failed to maintain adequate airspeed during the approach, and the aircraft was overweight in icing conditions 1. NTSB Chair Jennifer Homendy characterized the tragedy as not "the result of a single failure, but rather a series of preventable failures that eroded critical safety margins" 1.
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