The Air Force recently completed in-house development of an instrumentation system designed to measure flight simulator cue correlation, aero model fidelity, and dynamic flight handling characteristics. The Simulator Data Test Instrumentation System (SDTIS) represents a significant advance in the state of the art for flight simulation instrumentation. The SDTIS hardware is configured as a field transportable "mini-system" using composite video recording techniques to concurrently record over 180 channels of analog or digital signal data, voice audio, and television camera acquired video information. It provides immediate, in-field, automated data reduction and analysis. It permits data acquired during simulator test to be directly compared to flight test data as a measure of simulation fidelity. The Air Force intends to use SDTIS techniques as an integral part of future simulator test and specification procedures. This paper will address the SDTIS capabilities, functions, and operation in conjunction with its application to future training equipment procurements.