Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testhardstability
Spiral instability occurs when:
A
Lateral stability is too weak relative to directional stability
B
Dutch roll amplitude increases
C
The aircraft pitches up uncontrollably
D
Directional stability overpowers lateral stability, causing an increasing bank and descending turn
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See where you stand: 5 hard questions, instant score, every answer explained.