Lhasa Altitude Airports The Pbn Run The Program And Information Management Program Design

The high elevation airports'geographical environment and meteorological conditions are quite complex, such as large variations in temperature, wind speed and directions. Severe turbulence and windshear are often accompanied in these area, so the weather in high elevation airports always change rapidly. The environment of the airports which have been completed or planed at Qinghai-Tibet plateau are very complex, such as Tibet/Lhasa airport, Tibet/Linzhi airport, Sichuan/Jiuzhai airport are the typical airports.The state strategy considerations of west area have been more and more important according to china's economic development, therefore, the development and construction of western region have been gradually promoted. More and more airports in china's western area will be builded to improve the transport and logistics. There are more difficult and complex problems of operation at high elevation airports than that of low elevation airports, due to high elevation airports'own character. New aviation technology have been vigorously promoted by CAAC, to make sure the safe operation at high elevation airports. Global Navigation Satellite System(GNSS) and Performance-Based Navigation(PBN) are the best choice to solve difficulties of high elevation operation.The environment of high elevation airports, satellite navigation technology, PBN and the example of high elevation airport are introduced and analyzed in this paper. The best solution and method of high elevation airports'problems are offered, and the application of new aviation technologies in future high elevation airports are predicted in this paper.The personnel information, training time, flight subject and other flight data generated by the pilots in flying process is very important to guarantee the safety training, back training process and the importance of training effectiveness, therefore it need to be recorded and analyzed in detail. The traditional flight training manual records commonly used data management method, which results the problems like high error rate, low statistical efficiency, difficulty of data sharing. In order to improve the accuracy of the flight of basic data management, timeliness and data sharing, this paper has developed a "based on B/S structure of basic flight information data management system." In this system we uses the Browser/Server architecture and select the SQL Server 2000 as the back-end database. This system can well serve for the management of basic pilots information , the basic information management of flight instructors, flight management, flight course management, system management and so on. Flight department can achieve basic flight data management and rapid analysis of the accuracy through this system and can adjust the flight plan as a basis, identify potential risks, to improve flight quality, strengthen security management and so on.The main results in this paper are as follows:(1) The operating environment of elevation airports and high-elevation airports are analyzed, which include nature environment, meteorological conditions, navigation facilities, obstruction characteristics. The effort of plateau's complex environment on flight operation is mainly researched.(2) Navigation positioning error of traditional ground-based navigation system are analyzed. The limitations and error characteristics of ground-based navigation system are primary studied.(3) Specifications of different types of RNAV and RNP are introduced, the application of various specifications are analyzed, and the optimal specification of high elevation airports are also studied and proposed, according to"PBN manual".(4)The core navigation system of PBN operation are introduced, that include the principle , feature and error characteristics of satellite navigation system. Navigation accuracy and integrity of GPS are focused on. The application areas and phases of flight of navigation augmentation system are proposed.(5) We have analysed the climatic characteristics, the geographical conditions, ground support conditions, navigation conditions for PBN operation, the airport operations requirements and PBN design requirements of the Lhasa airport. The selection of aircraft types has been determined and the program for PBN operation has been well designed (including longitudinal and horizontal track map). The PBN implementation process has been introduced. More than that, we have proved its feasibility by analysing the practical statistics for its operation..(6) We have analysed the need for establishing flight information management system; introduced the C/S, B/S software architecture and the feasibility of the system useing the B/S software architecture. According to the relevant features of the basic data analysis and flight information management systemspecific needs, we choose the SQL Server as the database platform;(7) We have completed the design of the system function modules, program flow design, database structure design, network topology, demonstration flight information management system interface module.