What is Air draft?
{{no sources|date=August 2015}} [[Image:Allanburg Bridge.jpg|thumb|upright|The deck of this [[lift bridge]] on Canada's [[Welland Canal]] typically rests only a few metres above the water level. When a ship approaches, the deck is raised to provide sufficient air draft (or draught) for the vessel to pass through.]] '''Air draft''' (or '''air draught''') is the distance from the surface of the water to the highest point on a [[vessel]] (a ship or boat). {{DEFAULTSORT:Air Draught}} [[Category:Ship building]]