Abstract
The time of a review of an airship has come by recent innovation. It is advantageous in that an airship is located in the middle of an existing plane and ship at a point of speed, and it is assumed that it is advantageous in that airship can There is movement to examine development of a freight airship from above mentioned reason. But the commercial Freight airship business is unrealistic. The reason is because airship operators must take a burden development risk of craft and development and maintenance of infrastructure under the present conditions.
