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Old 14th April 2015 | 12:45
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A.FLOOR
 
Joined: Jun 2002
Posts: 30
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From: FL 390
IAS vs Mach philosophy

Can anyone explain why Boeing has chosen to use IAS over Mach in it's MCP design. Above the crossover altitude, in the high speed, high altitude regime, why, when opening the speed window is the default IAS?
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