Advanced Surface Movement Guidance and Control Systems (ASMGCS) refers to a set of technologies and systems designed to provide guidance and control for aircraft and vehicles on the ground at airports. The primary goal of ASMGCS is to enhance the safety, efficiency, and capacity of airport surface operations.

ASMGCS typically includes a combination of the following components:

1. Surveillance systems: These use radar, multilateration, or other technologies to track the position of aircraft and vehicles on the ground.
2. Routing and planning systems: These use software algorithms to optimize the routing of aircraft and vehicles on the ground, taking into account factors like traffic, weather, and air traffic control instructions.
3. Guidance systems: These provide visual or electronic guidance to pilots and drivers to help them follow the planned route, using technologies like LED lights, signs, or electronic displays.
4. Control systems: These use data from surveillance and routing systems to control the movement of aircraft and vehicles on the ground, preventing conflicts and reducing the risk of accidents.

The benefits of ASMGCS include:

1. Improved safety: By reducing the risk of collisions and other accidents on the ground.
2. Increased efficiency: By optimizing the routing of aircraft and vehicles, reducing taxi times, and improving the overall flow of traffic.
3. Enhanced capacity: By allowing more aircraft to operate on the ground at the same time, without compromising safety.
4. Reduced delays: By minimizing the time spent on the ground, ASMGCS can help reduce delays and improve overall airport performance.

ASMGCS is typically used in conjunction with other air traffic management systems, such as air traffic control (ATC) and automated dependent surveillance-broadcast (ADS-B). The system is usually integrated with other airport systems, such as airport management systems, to provide a comprehensive view of airport operations.

The implementation of ASMGCS can be complex and requires careful planning, testing, and validation to ensure that it is safe, efficient, and effective. However, the benefits of ASMGCS make it an important investment for airports and air traffic management organizations seeking to improve the safety, efficiency, and capacity of their operations.