Twenty months after a fatal crash resulted in the loss of the first prototype, Bell Helicopter is blazing a trail to achieve certification of its fly-by-wire Model 525 super-medium twin-engine helicopter by year-end.The flight-test fleet was immediately grounded after the crash of the orange-painted Flight Test Vehicle 1 (PTV1) on July 16,2016, and the fleet did not fly again until 366 days later.Today, Bell says it is heeding the lessons learned from the accident and using the fly-by-wire technologies to mitigate its causes.
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机译：致命事故导致第一架原型机损毁二十个月后，贝尔直升机公司开辟了道路，希望在年底前获得其525型电传飞行超级中型双引擎直升机的认证。 r n测试机队在2016年7月16日涂成橙色的飞行测试车1（PTV1）坠毁后立即停飞，直到366天后机队才再次飞行。 r n今天，贝尔说，它正在注意从事故中汲取的教训以及使用电传操纵技术减轻事故原因的经验教训。
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