Track Stretching

The act of increasing the distance an aircraft must fly to the runway. Usually done to delay to delay an aircraft, so its landing spacing behind the one it is following in the landing order is correct.

Transponder

An electronic device carried by aircraft that allows relevant aircraft data to be transmitted to a radar facility. It enables the ground system to identify a particular radar return as a specific aircraft, and it allows aircraft altitude information to be transferred for presentation to the Radar Controller.