Most drone engineers pick a lane. You build for speed, or you build for range. Luke and Mike Bell, the father-and-son team from South Africa already famous for pushing electric quadcopters to ...
For more than half a century, the FAA's operational rules for crewed aviation, Part 91 (general aviation), Part 121 (commercial airliners), and Part 135 (unscheduled charter flights), have treated tec ...
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