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Thread: B744 Altitude alert
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Old 2nd Aug 2005, 02:56
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Dan Winterland
 
Join Date: Jun 2001
Location: Blighty
Posts: 4,789
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Some have none, some have it when the AP is off and some have it all the time. As mentioned, it's a customer option. However, some form of alt alert is mandatory in RVSM airspace. I'm not sure if it has to be audible though.
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