Air transport has the following characteristics:
(1) Commodity.
The product provided by air transport is a special form of product - "spatial displacement", and its product form is to change the displacement of the air transport object in space. The product unit is "person-kilometer" and "ton-kilometer". Commodity attributes are finally realized through the purchase behavior of product users in the air transport market.
(2) Serviceability.
The air transport industry belongs to the tertiary industry and is a service industry. It reflects the quantity of services by the amount of "spatial