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jimimac

vnav disconnect

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im using the 737/600 and have been getting a vnav disconnect during my descent, i am following a star and descending to a alt. restriction when i get the message, what is usually the cause of this alert. thanks,jim

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I would say your descent profile is such that the autopilot cannot keep it without going over the speed restriction to make the next alt or something like that. One way to improve your descent profile accuracy is to use descent forecasts of the winds at various altitudes...Andrew

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I would say your descent profile is such that the autopilot cannot keep it without going over the speed restriction to make the next alt or something like that. One way to improve your descent profile accuracy is to use descent forecasts of the winds at various altitudes...Andrew
i forgot about the descent forecasts, thanks

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