Aerostat (disambiguation)

An aerostat is an aircraft that remains aloft through the use of lighter-than-air gases. A narrower and more technical meaning refers only to tethered balloons.

Aerostat may also refer to:

Airships
Airships are powered aerostats:
 * Airship, or dirigible, any aerostat that can be manoeuvred through the air using propellers, rudders, etc.
 * Blimp, an airship with no structural framework, using only gas pressure to maintain its shape
 * Rigid airship, uses only a structural framework to maintain its shape
 * Semi-rigid airship, uses a partial structural framework in combination with gas pressure to maintain its shape

Balloons
Balloons are unpowered aerostats:
 * Balloon (aircraft)
 * Gas balloon
 * Hot air balloon
 * Vacuum balloon

Tethered
The term aerostat is sometimes used to refer specifically to tethered balloons:
 * Barrage balloon
 * Observation balloon

Untethered

 * Espionage balloon
 * Fire balloon

Hybrids
Hybrids combine aerostatic buoyancy and aerodynamic lift.

Powered

 * Hybrid airship

Unpowered

 * Kytoon

Other uses

 * Tethered Aerostat Radar System
 * Akashdeep Aerostat
 * RT Aerostats Systems