What's the big plane? The so-called large aircraft, means the total take-off weight of more than 100 tons of transport category airplanes, AS9100 certification, including more than 150 mainline aircraft. It is the most widely used aviation workhorse. Because each country's aviation industry is not the same level of development, Xi'an AS9100 certification, "large aircraft" is only relative concept. Generally speaking, in our country of more than 150 aircraft are called "large aircraft", 100 the following called "regional aircraft"; and on customary international shipping system above the 300-seat aircraft called the "large aircraft." AS9100 standard purpose: a, throughout the aerospace industry supply chain (manufacturer of aerospace components - the host system integrators operators, namely: Supply-side - Organization - the customer) in continuous improvement. b, defect prevention and reduction of defects; c, lower costs and reduce waste. AS9100 implementation process in the implementation of aviation quality management system, the need to consider a number of key processes. Step 1: Determine what kind of management system Step 2: Buy a standard Step 3: Step 4 reference literature and software: the formation of the group and reach strategic consensus Step 5: Training Step 6 Step 7: Select the certification body : Step 8 to prepare a quality manual: understanding the special requirements of AS9100 Step 9: preparation of supporting documentation Step 10: Implementation of the quality management system Step 11: Consider pre-audit Step 12: Certification Step 13: Continuous Auditing