PPRuNe Forums - VMCA vs Pressure Alt.

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Founder

5th December 2006 13:07

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...???

Coldbear

5th December 2006 13:22

engine

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

martin

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