Baykar Cezeri
Cezeri is a quadcopter developed by Baykar Unmanned Aerial Vehicle Systems Co. in Turkey. It was named after Ismail al-Jazari (1136–1206), a Muslim polymath: a scholar, inventor, mechanical engineer, artisan, artist and mathematician from Jazira in Mesopotamia. The heavy prototype made the autonomous maiden flight midnight of September 2020, about one year after its introduction to the public at the 2019 Teknofest Istanbul. Autonomous maiden flight. The initial test flights of the flying car, took place on 11 September 2020. The first autonomous flights were made tied to the ground with ropes for safety reasons. The next  two flight tests were conducted in untied free flight on 14 September 2020. All the autonomous flight tests were successful. The vehicle climbed to a height of }. Characteristics. Cezeri takes off and lands vertical. Its dimensions are . The maxiumum take-off weight is . It is powered by eight rechargeable electric batteries and proprlled by eight brushless DC electric motors. It has three backup smart flight control systems. It is planned that the vehicle will have an average service speed of with maximum ,and a maximum ceiling at . The endurance is expected to be about one hour after the advance of  the battery technology. The vehicle was designed to be used in the urban aerial transportation for persons and cargo. The realization of its use in a populated urban environment can take 10-15 years while its use like a recreational vehicle in rural areas can be possible within 3-4 years as stated.