| Answer | Crossword Clue |
|---|---|
| airship | a mechanically driven lighter than air aircraft |
| airships | AIRSHIP, a mechanically driven lighter than air aircraft |
| airships | A power-driven aircraft that is kept buoyant by a body of gas (typically helium, formerly hydrogen) that is lighter than air |
| aerostat | any lighter-than-air aircraft, as a balloon or dirigible |
| aeronaut | the pilot of a balloon or other lighter-than-air aircraft |
| DIRIGIBLE | Lighter-than-air aircraft |
| AEROSTAT | Lighter-than-air aircraft |
| airship | lighter-than-air aircraft |
| dirigible | self-propelled, lighter-than-air aircraft; airship |
| aerostat | an aircraft that is lighter than air |
| aerostats | AEROSTAT, an aircraft that is lighter than air |
