After years of research, the scaled flight model of the energy-efficient aircraft design Flying-V could be tested during four days this summer at a German airport. Exciting, but soon it became clear that adjustments had to be made, what resulted in loss of precious time. Eventually, the Flying-V was ready on the runway on the last day of testing. Drone pilot Van Arnhem, under a fair deal of pressure, controlled the aircraft manually with a remote control. His task: to take-off, fly a number of t