Aerial Express facts

While investigating facts about Aerial Express, I found out little known, but curios details like:

40 years before the Maglev and 50 years before the Hyperloop projects, France had developped its own aerial express train, called Aérotrain. It levitated on air and had the engine of an air jet.

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across. Here are 1 of the best facts about Aerial Express I managed to collect.