South Korea's Solar-Powered Stratospheric Drone EAV-4 Sets National Record, Flying for More Than Seven Days
The solar-powered EAV-4 drone stayed airborne for 170 hours and 5 minutes at an altitude of about 20 km, more than tripling the 2020 record. According to the Korea AeroSpace Administration, in terms of flight duration the aircraft is second only to Airbus's European Zephyr.
Aziz Karimov