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In order to study dust propagation and mitigation techniques, an inertial separation and gravitational settling experiment rig was constructed and used for experimental work in reduced gravity aircraft flights. The first experimental objective was to test dust filtration by a cyclone separator in lunar gravity. The second objective was to characterize dust flow and settling in lunar gravity in order to devise more comprehensive dust mitigation strategies. A settling channel provided a flow length over which particles settled out of the air flow stream. The experimental data provides particle quantity and size distribution, and a means of verifying numerical predictions.