Cloud license generally refers to the electronic license of the pilot. The electronic license of aircraft pilot, also known as "cloud license", refers to the electronic version of aircraft pilot's license with digital signature, which is made and issued by the flight standards function department of Civil Aviation Administration of China on the basis of digital information based on computer cloud, including the registration and endorsement information of aircraft pilot.

The questionnaire submission was unsuccessful, probably because the previous questions have not been reviewed, and the system review error is very slow. It is recommended to resubmit in a few hours or more.