The integrated system for the measurement of movement parameters, constructed on the basis of a tightly coupled scheme of integration of inertial and satellite navigation systems is considered in the paper. The main objective is the improvement of the measurement accuracy of navigation information and ensuring the measurement of movement parameters in conditions when each separate system does not provide sufficient accuracy for practical tasks. The applied algorithm for recursive estimation of errors of resultant integrated navigation system allows real-time correction of indicators of inertialand satellite navigation systems, that leads to the increase of the measurement accuracy of navigation parameters. This paper shows the dependence of the achieved effect of the increased accuracy on the nature of movement, arrangement and number of satellites, and also trajectory orientation relative to the satellites, signals from which enter the receiver of satellite navigation system. The proposed algorithm can be used in the aviation industry, in guidance and flight control systems, and also onboard information-measuring systems of aircrafts, operating in the presence of radio frequency interference.