Boeing 737 and the Airbus A320 are very common in any airport around the world. Some consider these as the most successful aircrafts of the world. The Airbus A320 family is made of 4 aircrafts. They are the Airbus A318, A319, A320 and the A321. The A318, A319, A321 are made from expanding or contracting the A320’s … More Airplane spotting – 1