This paper discusses an accurate, semi-automated method for increasing the performance fidelity of a helicopter flight training system's aerodynamic model. The method employs an automated correlation algorithm known as AUTOCOR for systematic adjustments of the quasi-static mathematical model using fundamental aerodynamic model parameters. The AUTOCOR algorithm is divided into two phases. The first concerns calculation of the incremental forces and moments necessary to modify the vehicle's static trim attitudes and pilot control positions to match those of the actual helicopter throughout its entire flight maneuver envelope. The second phase centers on optimal incorporation of these forces, moments, and other empirical adjustments into the simulator's model data tables by judicious use of numerical techniques. The AUTOCOR algoridim provides satisfactory results even with an incomplete flight test data set.