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Publication Date

Spring 2010

Degree Type

Thesis - Campus Access Only

Degree Name

Master of Science (MS)


Mechanical and Aerospace Engineering


Dr. Nikos Mourtos


Aircraft Design, Controls, Dynamics, Structures

Subject Areas

Engineering, Aerospace


In a never-ending quest for reducing aircraft weight, an attempt is made to

decrease the size of the horizontal stabilizer of a jet transport through the use of a stability augmentation system. This work explores the feasibility of reducing the size of the horizontal stabilizer of large transport jets while still maintaining good handling characteristics in the longitudinal mode. The dynamic equations of motion are employed to study the response of an aircraft to various size reductions of the horizontal stabilizer. At the same time, a stability augmentation system is designed to ensure that the aircraft remains stable during flight on exposure to various destabilizing factors.