Qinghai-Tibet Plateau, according to Jiangxi provincial office of science, technology and industry for national defence officials Thursday.
At 4,600 meters above sea level, on Nov 9, XM20 multi-rotor drone took off and landed with a full payload.
The AV500 climbed to an altitude of 5,006 meters during tests on Oct 31, the maximum achieved by a domestically-made unmanned helicopter.
The three have applications in counter-terrorism, drug policing, border patrols, meteorology and mapping.
The aircraft were developed by a helicopter research and development institute in Jingdezhen, Jiangxi province, owned by the Aviation Industry Corporation of China.
At 4,600 meters above sea level, on Nov 9, XM20 multi-rotor drone took off and landed with a full payload.
The AV500 climbed to an altitude of 5,006 meters during tests on Oct 31, the maximum achieved by a domestically-made unmanned helicopter.
The three have applications in counter-terrorism, drug policing, border patrols, meteorology and mapping.
The aircraft were developed by a helicopter research and development institute in Jingdezhen, Jiangxi province, owned by the Aviation Industry Corporation of China.