Principles of Flightmedium#545
Dutch roll is:
A
A coupled lateral-directional oscillation involving yaw and roll, often with poor damping
CorrectB
A pure yawing motion
C
A longitudinal oscillation
D
A structural vibration
Explanation
Dutch roll is an oscillatory mode where the aircraft yaws and rolls in a coupled motion; it occurs when lateral stability is strong relative to directional stability.
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