The universal market of Commercial Aircraft is of the most major markets in all around the world and there are a lot of papers which are discussing about this subject because of importance of it. This thesis structured around the commercial airplanes which is one of the most important segments in the aerospace industry. This thesis documents in three chapters which includes the introduction which is about the history of emerging airplanes and commercial airplanes and the technology change and the innovation in this industry and then the factors of competition and the market of commercial aircraft and also it shows the application of Michael porter's 5-Force model.