In this file photo, a China's AG600 large amphibious aircraft conducts a emergency rescue in a drill in Jingmen City of central China's Hubei Province, Oct. 27, 2023. China's AG600 large amphibious aircraft has entered the phase of certification flight tests, the Aviation Industry Corporation of China (AVIC) announced on Tuesday. On Tuesday, the Airworthiness Certification Center of the Aviation Administration of China issued the Type Inspection Authorization (TIA) to the first model of the AG600 large amphibious aircraft family, said the AVIC, China's leading aircraft manufacturer. (Xinhua)