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← TechnologyWhich risk increases when a turbojet-powered aircraft lands with insufficient flap extension?
A)Elevated engine EGT
B)Stagnation point migration
C)Main gear shimmy onset✓
D)Autoland system divergence
💡 Explanation
Landing without sufficient flap extension increases speed, leading to higher landing gear strut compression rates; this excitation triggers main gear shimmy because damping capacity is exceeded. Therefore, gear oscillations escalate, rather than EGT increase that concerns gas turbine thermal limits.
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