在费城坠毁的里尔喷气式飞机的驾驶舱记录仪可能已经出现故障多年，造成 7 人死亡。 Cockpit recorder likely malfunctioned for years on Learjet that crashed in Philadelphia, killing 7.

国家运输安全委员会(NTSB)报告说,1月在费城坠毁的一架医疗运输飞机的驾驶舱语音记录机可能已多年不能工作。 The National Transportation Safety Board (NTSB) reported that the cockpit voice recorder of a medical transport plane that crashed in Philadelphia in January was likely not functioning for several years. Learjet 55在起飞仅一分钟后坠毁,飞机上所有六人和地面上一人丧生,至少另有24人受伤。 The Learjet 55 crashed just one minute after takeoff, killing all six on board and one person on the ground, while injuring at least 24 others. NTSB证实,机组人员没有向空中交通管制处发出任何遇险呼叫。 The NTSB confirmed that the flight crew did not make any distress calls to air traffic control. 调查正在进行之中,预计将在一年内提出最后报告。 The investigation is ongoing, with a final report expected within a year.