The Bostonius is an airship in Professor Layton and the Azran Legacy. It is the mode of transport Professor Layton, Luke and Emmy use to travel around the world in Professor Layton and the Azran Legacy.
Plot
Professor Layton and the Azran Legacy
After receiving a letter from Desmond Sycamore, Professor Layton and company board the airship, piloted by Raymond, and journey to Froenborg.