0 an aircraft such as a hot-air balloon or an airship, that rises off the ground using a gas that is lighter than air --
Health monitoring of aerostat and simultaneous command and controlling of payload from ground control station was demonstrated successfully.
New facilities were built at the site in the 1980s, and it was used for aerostat launches between 1983 and 1989.
Tethered to the ground, the aerostat may stay airborne for long days with very short breaks for helium refill once in every 3 days.
A balloon was originally any aerostat, while the term airship was used for large, powered aircraft designs usually fixed-wing though none had yet been built.
In the early morning, lightning struck an aerostat that was tethered to the vessel.
Helikites are the only compact aerostat capable of reliably operating at sea.
These aerostats outperform a conventional aerostat of twice the size.
A powered, steerable aerostat is called a "dirigible".
