This paper deals with numerical considerations regarding the simulation of the attitude of an aircraft in the approaching phase for landing. The state of the art is analyzed in the first section; the description of the process by means of which the steady state vector of the initial system, given in the second section, is obtained in the fourth section. An improved system is given in the third section and this system is further enhanced with perturbations, in the fifth section. The second section describes the process leading to the initial required conditions. The conclusions are given in the sixth section.
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