of Swiss astronaut Claude Nicollier who is head of the test team. The Solar Impulse team towed the aircraft outside of the hangar, put the vertical stabilizer on and started all 4 engines to full power to test the electromagnetic interference by measures taken around the aircraft while the engines were on. A greater success! Test pilot Markus Scherdel did not take off today, but will soonTest your inquisitiveness! ... solarimpulse hbsia hbsib symbol airplane solar energy world zero emission ...