dnata Singapore Pte Ltd is a ground handling provider at Singapore Changi Airport, providing ground, passenger and cargo handling services, in-flight catering and security services to 69 scheduled and 45 non-scheduled airlines. Ground handling operations began in Singapore in December 1977 with the incorporation of Changi International Airport Services (CIAS) as a joint venture between the Port of Singapore Authority and five airlines, namely Air France, China Airlines, Garuda Indonesia, KLM and Lufthansa.