This paper presents a regulatory-based system-level approach to analyze the safety impact of introducing a new technology, such as unmanned aircraft systems, into the National Airspace System (NAS). The proposed framework applies the International Civil Aviation Organization (ICAO) sanctioned safety management system (SMS) principles with a particular focus on safety risk management (SRM) and safety assurance. A qualitative framework based on identifying risk controls using existing aviation rules and regulations is presented. This approach provides a systematic process to identify systems-level hazards and causal factors. It outlines a methodology to determine a safety baseline for conducting operations in the NAS.
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