Singapore Airlines (Chinese: 新加坡 航空公司, Pinyin: Xīnjīapō Hángkōng Gōngsī) is the national airline of Singapore. The IATA code of Singapore Airlines is SQ while the ICAO code is SIA. Singapore Airlines is one of the best and most successful airlines in Asia with flights to Europe, North America, and Asia and Australia. Flights to several Southeast Asian cities, the People's Republic of China and India are serviced by SilkAir while the cargo is managed by Singapore Airlines Cargo. Following the trend of low-cost aircraft (low-cost carrier), Singapore Airlines opened Tiger Airways which is also headquartered at Singapore Changi International Airport.