In-depth Analysis of City and Airport Three-letter Codes

In-depth Analysis of City and Airport Three-letter Codes

This article explores the relationship between city three-letter codes and airport three-letter codes, analyzing the standardization process by IATA in this field. Using examples from cities like Shanghai, Beijing, and Moscow, it illustrates the importance of prioritizing airport three-letter codes in international air transport to avoid confusion and losses. Finally, it recommends using the West Coast airport three-letter code query system to ensure the accuracy of information.