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VMCA vs Pressure Alt.

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VMCA vs Pressure Alt.

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Old 5th Dec 2006, 13:07
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VMCA vs Pressure Alt.

Could someone explain why VMCA decreases as pressure altitude increases?

lets say that you're starting from an airport at 8000 ft elevation, the take-off speed will be higher, then the VMCA should also be higher because of the decreased density...???
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Old 5th Dec 2006, 13:22
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engine

The VMCA decreases becouse at higher altitudes the engine will be less efficient

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