Hi fellow wiki editors!

To help newly registered users get more familiar with the wiki (and maybe older users too) there is now a {{Welcome to the wiki}} template. Have a look at it and feel free to add it to new users discussion pages (and perhaps your own).

I have tried to keep the template short, but meaningful. /Johan G

Aerostat

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The word aerostat was originally French and is derived from the greek aer (air) + statos (standing). An aerostat is a lighter than air object that can stay stationary in the air. Aerostats include free balloons, airships, moored balloons and tethered Helikites. Such a vehicle consists of a lightweight skin filled with a lifting gas to create buoyancy.

These aircraft take advantage of a lighter than air gas to become fully or partially buoyant. In addition to typical aircraft control methods such as elevator, rudder and engine throttle, control of ballast and gas volume are available.