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In order to reduce the flight accidents in the landing phase, the aircraft landing track correction monitoring equipment is designed based on a certain type of precision approach radar. By studying the echo data format and transmission requirements of a certain type of radar, the landing track correction monitoring software is developed by using Microsoft Visual Studio 10.0 development tool and C# language under Windows environment. The software can real-time and automatically monitor the landing track data of multiple batches of aircraft joining the landing route, and set three types of alarm thresholds for the aircraft beyond the safety landing requirements according to different landing levels. Before serious accidents are caused by overrun events, the ground personnel can be alerted in real time to guide the aircraft to cut into the safe and appropriate glide path for landing through ground air communication command. It solves the defect that the original equipment completely relies on manual monitoring of aircraft landing state. At the same time, the software can collect and analyze the radar data packet in real time, which can be used as the auxiliary analysis method of daily flight training quality and the basis of flight accident investigation.