Discussion
__________ margin is the distance from the centre of gravity to the neutral point.
Answer: B
Correct answer: Static
The static margin is \( K_n = h_n - h \), expressed as a fraction of the mean aerodynamic chord. It is the single number that says how stable the aeroplane is in pitch: it fixes the moment slope, it governs the stick force per g, and it is what the aft centre of gravity limit is set to preserve. The manoeuvre margin is its counterpart for pitching flight and is measured from the manoeuvre point instead.
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