The HiDRON stratospheric glider developed by Canada’s Stratodynamics Aviation and unmanned aircraft manufacturer UAVOS has completed a 4-hr. flight after being released from a balloon at 30 km (98,450 ft.), beating its previous altitude record of 25 km. The Aug. 2 flight demonstrated the team’s capability to perform beyond visual-line-of-sight operations with a UAV at high altitudes. The night flight was the first of two commissioned to test an airglow monitor (AMON) from the ...


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