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Speed Trap

机译:测速监视区

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摘要

Highly experienced Boeing wide-body pilots have independently determined that an autoflight mode called Flight Level Change may explain why Asiana Flight 214 hit the sea wall ahead of Runway 28L at San Francisco International Airport July 6. The experts, including a Boeing 777 fleet captain, tell Aviation Week that entry into Flight Level Change (FLCH) during the approach would have caused the engines to remain at idle despite the pilots having set the autothrottles to maintain 137 kt., the target approach speed. One group of pilots has concluded this based on intimate knowledge of the 777-200ER's automation systems; the other by flying scenarios in a 777 simulator.
机译:波音公司经验丰富的宽体飞行员已经独立确定,称为“飞行高度变化”的自动飞行模式可以解释为什么韩亚航空214号航班在7月6日在旧金山国际机场的28L跑道之前撞到了海堤。专家们包括波音777机长在内,告诉《航空周刊》,进近过程中进入飞行高度变化(FLCH)会导致发动机保持怠速,尽管飞行员将自动油门设定为维持目标进近速度137节。一组飞行员基于对777-200ER自动化系统的深入了解得出了结论。另一种是在777模拟器中飞行场景。

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