Qatar three-character code is DOH and XJD. Qatar three-character code, also known as IATA airport code, is a code composed of three English capital letters generated by the International Air Transport Association for Qatar airport number, and no numbers are allowed. According to the query of China Southern Airlines Logistics Network, the three-character code of the air base airport is XJD, and the three-character code of Doha Hamad International Airport is DOH.