The Bostonias is an airship in Professor Layton and the Azran Legacies. It is the mode of transport Professor Layton, Luke and Emmy use to get to Snowrassa.
Plot
Professor Layton and the Azran Legacies
After recieving a letter from Foster Sahaiman, Professor Layton and company board the airship, piloted by Raymond, and journey to Snowrassa.