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Minimum Controllable
2010-03-18

Minimum Controllable No maneuvers below 1500Ý
Stall horn whimpering at all times
Power added as required to hold altitude in 10-degree maximum banks
Headings + 10 degrees

MCA means Minimum Controllable Airspeed (in a particular configuration). You can do it with all the flaps or none. You are flying on the edge of a stall for a prolonged period. The stall horn should be whimpering, the controls should be mushy. MCA teaches precise aircraft control at the slow end of the envelope. MCA differs from slow flight
that is performed at 1.3 vso.
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