1. Entering/landing. GPS and its wide-area enhancement system complete, meet the requirements of non-precision entry/landing, clearing, completeness, and availability; and then enhanced with local area pseudo-differential differential technology/system enhancement, which can meet CAT-1 and 2 precision entry into the field. Requirements. Because the GPS landing system has a simple and complex ground support system, it will be suitable for any airport, including private airports and mountain airports. Theoretically, the GPS landing system can guide the aircraft to land along any flight section and the path of entering the field, which enhances the flexibility and blind reduction of various airport landing.

　　2. route navigation. GPS and a technology called the independent perfection monitoring of the receiver (RAIM) can meet the requirements of the navigation accuracy, completeness and availability of the GPS routes of the foreign area, and the accuracy can also meet the requirements of mainland airspace routes. The accuracy of GPS is far better than the existing navigation system in any existing route. This accuracy improvement and continuous service improvement will help effectively use the airspace to achieve Z -good airspace division and management, air traffic flow management, and flight path management. It has opened up broad application prospects for air transport services, and also reduces operating costs to ensure the flexibility of air traffic control.

　　3. Lower surveillance. The emergence of GPS and aviation mobile satellite systems will change this traditional surveillance method. The airborne GPS navigation system automatically reports its own position. This "automatic related surveillance system ADS" has been proposed. The current demonstration and experiments have proved that ADS The monitoring at all stages of flight will bring benefits, especially for the possibility of automatic surveillance business in the airspace of the foreign and inland areas. This will effectively reduce the work burden of pilots/controllers, and also increases the flexibility of ATM.

　　4. Flight test and test. In the design, setting, and testing of the new models, new airborne equipment, airborne weapon systems or ground service systems, the GPS -based flight status parameter measurement system may be used as the benchmark. Compared with the auxiliary equipment The simplicity and savings of flight testing.

　　5. Scene monitoring and management. Including terminal flight management and airport scene surveillance/management. The purpose of scene surveillance and management is to reduce take -off and entry and retention time, monitor and dispatch aircraft, vehicles and personnel at the airport, Z to use terminal space and airports to ensure flight safety. GPS, digital maps, and digital communication chain provides new technologies for developing advanced scene navigation, communication and surveillance systems. It can be confident that scene monitoring and management based on GPS/digital maps will bring great benefits to the airport.

　　6. Aviation test. In addition to the navigation and take -off and landing functions required by general aircraft, aircraft used for aviation tests also need to provide timely information cross -linking, data records and postponed processing of records or photography equipment.

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