Aerospace Engineering > GATE 2021 > Aircraft Stability
A conventional fixed-wing aircraft, with a horizontal tail and vertical fin, in steady and level flight is subjected to small perturbations. Which of the following statement(s) is/are true?
A
Vertical fin has a stabilizing effect on the lateral stability of the aircraft.
B
Vertical fin has a destabilizing effect on the directional stability of the aircraft.
C
Presence of wing anhedral increases the lateral stability of the aircraft.
D
Horizontal tail has a stabilizing effect on the longitudinal static stability of the aircraft.

Correct : a,d

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