shows the awkward situation. 年度 小时 年度 小时 年度 小时 1979 39739 1986 44022 1993 32387 1980 42792 1987 45749 1994 30743 1981 38869 1988 38268 1995 39485 1982 38544 1989 34452 1996 43071 1983 42804 1990 42524 1997 40877 1984 47303 1991 49016 1998 42962 1985 43022 1992 43985 Table 1-1:China general aviation flying operations (1979-1998) Things began to change since 2003.The new"Rules of general aviation flight control" came into force,which shortened the time of examination and approval and simplified the approval process.The low altitude opens policy was also going to be taken into practice Low and opening up,China's general aviation operations amount to an annual rate of about 15%of steady growth.In 2010,the government issued "Reform Suggestions of Deepen the low-altitude airspace management system".Low level of opening up has proceeded in an orderly way since then.It is reported that the national aviation authority proposes that China will have more than 2000 general airports before 2030. Besides the airports that we already have,1600 general airports will be constructed throughout the country over the next 15 years. With the publication of low altitude opens policy,general aviation welcomes a new development. 1.2.2 Market Conditions With the development of information technology and transportation industry, executive stuff of international enterprises often shut from country to country and continent to continent.However,they must waste time checking in as same as other leisure tourists because of the rigid arrangement of airline industry,which makes business jet more popular.Sales worldwide of private or business planes rose 35%in the first half of 2006 to a record $9 billion. Concorde was retired in 2003 due to a general downturn in the aviation industry after the type's only crash in 2000,the 11 September terrorist attacks in 2001 to discontinue maintenance support.But faster is always what human want and a supersonic business jet can effectively meet the demand of executive stuff of international enterprises or even national leaders. The major customers of business aircrafts,especially private aircrafts,are still famous entertainers and successful businessmen.International superstar Jackie Chan's private8 shows the awkward situation. Table 1-1: China general aviation flying operations (1979-1998) Things began to change since 2003. The new “Rules of general aviation flight control” came into force, which shortened the time of examination and approval and simplified the approval process. The low altitude opens policy was also going to be taken into practice. Low and opening up, China’s general aviation operations amount to an annual rate of about 15% of steady growth. In 2010, the government issued “Reform Suggestions of Deepen the low-altitude airspace management system”. Low level of opening up has proceeded in an orderly way since then. It is reported that the national aviation authority proposes that China will have more than 2000 general airports before 2030. Besides the airports that we already have, 1600 general airports will be constructed throughout the country over the next 15 years. With the publication of low altitude opens policy, general aviation welcomes a new development. 1.2.2 Market Conditions With the development of information technology and transportation industry, executive stuff of international enterprises often shut from country to country and continent to continent. However, they must waste time checking in as same as other leisure tourists because of the rigid arrangement of airline industry, which makes business jet more popular. Sales worldwide of private or business planes rose 35% in the first half of 2006 to a record $9 billion. Concorde was retired in 2003 due to a general downturn in the aviation industry after the type's only crash in 2000, the 11 September terrorist attacks in 2001 to discontinue maintenance support. But faster is always what human want and a supersonic business jet can effectively meet the demand of executive stuff of international enterprises or even national leaders. The major customers of business aircrafts, especially private aircrafts, are still famous entertainers and successful businessmen. International superstar Jackie Chan’s private