Project 12: OH-58D Model for Flight School XXI

Summary of Services Performed: Integration and Testing of OH-58D flight dynamics model with the simulator for U.S. Army Flight School XXI

Under a contract ART has provided a flight dynamics model of the OH-58D helicopter and assisted in its integration and acceptance testing with two Operational Flight Trainers. The flight dynamics model was developed using ART’s FLIGHTLAB Development System, a computer aided engineering tool for flight dynamics modeling and analysis. The trainers were tested to FAA Level D certification standards. This effort involved the integration of the flight dynamics software the cockpit, motion platform, visual display system, control loaders and Instructor Operator Station (IOS). The response of the flight dynamics model was compared to experimental flight test data for a wide range of flight conditions and maneuvers and the model was tuned to satisfy the tolerances required by the acceptance testing. The quantitative comparison between simulator and flight test data was automated to allow for field monitoring of the simulator readiness. Simulator hardware was also included in the automated quantitative testing. Over 50 malfunctions were implemented and tested. Qualitative testing was performed by experienced OH-58D pilots flying the simulator through the training tasks currently being trained in the actual aircraft. The simulators have now been delivered to Ft. Rucker, AL and are being used in the Army’s Flight School XXI program.

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