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An aircraft, especially a balloon or dirigible, deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.

[French aérostat : Greek āero-, aero-; see aero- + Greek statos, standing; see stato-.]

aer′o·stat′ic, aer′o·stat′i·cal adj.


(Aeronautics) a lighter-than-air craft, such as a balloon
[C18: from French aérostat, from aero- + Greek -statos standing]
ˌaeroˈstatic, ˌaeroˈstatical adj


(ˈɛər əˌstæt)

any lighter-than-air aircraft, as a balloon or dirigible.
References in classic literature ?
These were all absolutely gas tight and filled with hydrogen, and the entire aerostat was kept at any level by means of a long internal balloonette of oiled and toughened silk canvas, into which air could be forced and from which it could be pumped.
Aerostat Systems Market(Communication Systems, Surveillance Radar, Electro-optical/Infrared (EO/IR) Systems and Navigation Systems) - Growth, Share, Opportunities, Competitive Analysis, and Forecast 2015 - 2022", the global aerostat systems market was valued at US$ 3,758.
It received a 28M Class Tethered Aerostat Radar System (TARS) from the US government in a turnover ceremony at the Naval Education and Training Command (NETC) here on Tuesday.
Founded at MIT, Altaeros is commercializing the SuperTower, a tethered aerostat that provides coverage equivalent to a network of up to 30 conventional cell towers.
Demand for cost-friendly but longer route surveillance, as well as more accurate geospatial information to target ammunition better, have resulted in the growth of the aerostat market to hitherto unseen horizons.
Drone Aviation's product portfolio includes the WASP tactical aerostat, the WATT electric tethered drone and the Bolt higher-altitude, heavier-lift coaxial tethered helicopter and an array of vision-based navigation and autonomous flight management software.
LOOKING to strengthen its air defence capability, the Indian Air Force ( IAF) is on the lookout for new aerostat radars for low level surveillance.
The system's range is tied to the height of the sensor, so the mounted tower versions of Serenity will have a lower detection range compared to an aerostat that has a coverage of 2,000 to 3,000 feet, said Frank Plew, Serenity project manager.
Aerostat Systems Market by Sub-System, by Product Type (Balloon, Airship, Hybrid), by Propulsion System (Powered, Unpowered), by Class (Compact-Sized, Mid-Sized, Large-Sized), by Payload, by Geography - Global Forecast to 2021
I soon realized it was a DHS aerostat that appeared to be co-altitude with our T-44.
North American Aerospace Defense Command spokesman Michael Kucharek told the Baltimore Sun the military is working with other agencies, including the Federal Aviation Administration,AaAaAeAeAaAeAeA "to address the recovery of the aerostat.
NORAD officials are working closely with the FAA (Federal Aviation Administration) to ensure air traffic safety, as well as with our other interagency partners to address the safe recovery of the aerostat," said the statement.