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Flight-time failures of small Uncrewed Aerial Systems (sUAS) can have asevere impact on people or the environment. Therefore, sUAS applications mustbe thoroughly evaluated and tested to ensure their adherence to specifiedrequirements, and safe behavior under real-world conditions, such as poorweather, wireless interference, and satellite failure. However, currentsimulation environments for autonomous vehicles, including sUAS, providelimited support for validating their behavior in diverse environmental contextsand moreover, lack a test harness to facilitate structured testing based onsystem-level requirements. We address these shortcomings by eliciting andspecifying requirements for an sUAS testing and simulation platform, anddeveloping and deploying it. The constructed platform, DroneReqValidator (DRV),allows sUAS developers to define the operating context, configure multi-sUASmission requirements, specify safety properties, and deploy their own customsUAS applications in a high-fidelity 3D environment. The DRV Monitoring systemcollects runtime data from sUAS and the environment, analyzes compliance withsafety properties, and captures violations. We report on two case studies inwhich we used our platform prior to real-world sUAS deployments, in order toevaluate sUAS mission behavior in various environmental contexts. Furthermore,we conducted a study with developers and found that DRV simplifies the processof specifying requirements-driven test scenarios and analyzing acceptance testresults

A Requirements-Driven Platform for Validating Field Operations of Small Uncrewed Aerial Vehicles