China develops X-M20 “Crane” drone with 16,000 feet ceiling
The China Helicopter Research and Development Institute (CHRDI) announced earlier this week that China has developed the X-M20 “Crane”, a small drone that has a ceiling of more than 16,000 feet. A distinctive pitch control technology makes the electric drone unique according to CRHDI, China’s leading helicopter research organ of Avicopter under the Aviation Industry Corporation of China (AVIC).