In general, the motion of maneuvering targets is described by acceleration model which13; is a kinematic model including position derivatives up to the second order. It is found that13; for tracking' highly maneuvering targets, it is necessary to inch:lde higher order position13; derivatives in the model. A model including derivatives of position up to the third order13; called the jerk model is presented in ref. . The jerk models are found to give better13; performance while tracking agile target maneuvers. In this report, the tracking13; performance of a Kalman filter with the jerk model is evaluated and compared with that13; of a Kalman filter with acceleration model for simulated data of a target undergoing13; maneuvers.