What is "cdis"

CDIS may refer to:

• The Praxis-designed air-trafficking system.
• The abbreviated name of Chengdu International School, an international school for expatriate children in Chengdu, China.

The CCF Display and Information System (CDIS) is a computer-based system that provides airport and flight information to air traffic controllers formerly based at the London Terminal Control Centre in England. It was designed by Praxis in 1992.