International Competitive Bidding – Supply, Delivery and Commissioning of Instrument Landing System at Chileka AirportINTERNATIONAL COMPETITIVE BIDDING – 1. Airport Developments limited (ADL) hasShare this:TweetLike this:Like Loading... To access this post, you must log in or purchase Gold Monthly Package or Gold Annual Package. Please note that this is an automated process and you can pay with your Mobile money or debit card