A generic terms for aircraft which derive their lift chiefly from buoyancy in the air: lighter than air craft, balloons or airships.
Lighter-than-air aircraft; aka buoyant aircraft; ie, airship or balloon
another term for a lighter-than-air craft
a lighter-than-air, inflatable, aerodynamic balloon filled with helium and air
a tethered or moored balloon often shaped like an airship and usually filled with helium
A balloon or other apparatus floating in or sustained by the air.
A lighter-than-air craft, such as a balloon or airship. Its lift is caused by buoyancy relative to surrounding air.
The term aerostat has two meanings. In the first, broader sense, it includes all lighter than air aircraft.
