A self-made narrow body jet passenger aircraft, The prototype is airbus a321, For specific operations, please refer to driving instructions, Prototype History:A321-100 was developed in November 1989 and manufactured 4 prototypes, installed on March 11, 1993 The first prototype of the V2530 engine took its maiden flight, and obtained the European JAA certificate on December 17 of the same year. The second prototype of the CFM56-5B engine in May 1993 made the first flight and obtained the JAA certificate on February 15, 1994. The first aircraft were delivered for use on January 27, 1994. The development fee of A321-100 is estimated to be $500 million. As of June 2016, the A321 has been officially ordered 1 694, 1307 have been delivered. The unit price of the A321 is about $114.9 million (2016).[2] On the morning of October 29, 2014, Airbus Group said on Tuesday that it plans to start the production of the first American factory. Airbus intends to produce at the factory. The larger-bodied A321 aircraft, rather than the originally planned A320 aircraft, reflects the growing demand for large aircraft in the market.[3] Airbus is researching whether a 236-seat Airbus A321 should be provided. This high-density aircraft is likely to With the latest small seats, the profile bag is placed above the seat instead of the bottom; at the same time, it will also be equipped with a small table behind the seat. It is reported that this new design makes the front and rear spacing of the entire nacelle seat only 28 inches (71 cm). Make other improvements, such as setting additional emergency exits, etc. Airbus said there is no specific plan to further increase the capacity of the A321. According to Airbus, the aircraft has a maximum passenger capacity of 220. In comparison, the maximum number of seats on the Boeing 737-900 can reach 2 15. The 236-seater aircraft will be much larger than the generally used aircraft of low-cost airlines. On the same route, these aircraft may There are som