On April 7th, the Civil Aviation Administration of China issued a production license for the Yihang Intelligent EH216-S unmanned manned aircraft system in Guangzhou, China. The reporter noticed that aircraft require three types of certificates from production to commercial operation, namely Type Certificate of Conformity (TC), Airworthiness Certificate (AC), and Production License (PC). Last year, EH216-S obtained Type Certificate of Conformity and Standard Airworthiness Certificate.