Simulation based training means using simulated environment to create training lessons, more focused towards interactive learning by simulating real world scenarios. Simulation based training has been used extensively in the field of aviation for many years. Flight simulator as a product is quite complex and all the lifecycle phases such as requirements, analysis, design, development, integration, verification and validation are not very well interconnected or centralized, which adds to complexity in producing an artefact in a complex system of systems environment. Moreover, the lack of integrated method for ensuring the traceability of requirements and customization, acquisition of knowledge and data, integration and changes in hardware, and the design and testing of software creates massive challenges for simulation companies developing system of systems products. The current paper provides insights into such challenges that typically exist in the Flight Simulation industry. Methods and techniques inspired from the Knowledge Based Engineering (KBE) and Model Based Systems Engineering (MBSE) aspects of Systems Engineering are proposed to evolve existing Systems Engineering practices for more efficient Requirements Management, Interface & Change propagation management and Hardware and Software integration solutions. Towards the end, results of an industry-wide survey have been summarized, which was initiated to gather feedback from industry experts on various systems engineering practices challenges.
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