Four training centers in Haikou, Xi, Beijing and Sanya. According to the official information released by Hainan Airlines Yunnan Aviation Training Center, HNA has four training centers in Haikou, Xi, Beijing and Sanya, with training venues and office space of about 8,000 square meters. It has obtained more than 80 training qualifications such as aircraft training, component repair, CCAR-66R2 basic and basic skills training and CCAR-66R3 license training. It is a comprehensive CCAR- 10 with more training qualifications and better training quality in China.