Please answer the following question: The CAMS 53 was a transport flying boat built in France in the late 1920s. Building on the experience gained from the unsuccessful CAMS 51 Maurice Hurel designed an aircraft of similar size and capacity for Aeropostale. The company bought four aircraft straight away for use on its Marseilles-Algiers route and Air Orient purchased another two. More CAMS 53 were soon ordered by these operators as well as Air Union and the aircraft were used to link Marseilles with Ajaccio and Beirut. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Mean Of Transportation