The Wing-in-Ground effect (WIG) craft, which lies between a sea-going ship and an aircraft in terms of its characteristics, was expected to carry greater payloads over aircraft stage lengths. Unfortunately, except for the Lippisch WIG craft most WIG craft have been military developments. Several decades have passed since the first WIG craft have flown. The commercial potential of WIG craft has seldom been operationally demonstrated. It is necessary and meaningful to revise the conceptual base of WIG craft building and reposition the place for WIG craft in the system of transportation. This paper explores and discusses this issue.
Keywords: transport solutions, fuel consumption, ground effect, speed, payload, niche transportation, wing-in-ground effect, WIG craft, commercialisation