What are the criteria need to be followed for an aircraft to be longitudinal statically stable?



What are the criteria need to be followed for an aircraft to be longitudinal statically stable?..

Answer / Puja Kumari

For an aircraft to be longitudinally statically stable, it must have a restoring moment (around the longitudinal axis) when disturbed from its equilibrium position. This can be achieved by ensuring that the center of gravity is within certain limits, the stability margin is positive, and the aircraft's pitching moment curve has a negative slope.

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