Aerial load-lifting system
Aerial load-lifting system
Air transport and lifting vehicle
Airship shaped space craft
Balloon with manually operable helicopter blades
Cyclorotor composite aircraft
Hybrid annular airship
Lighter-than-air aircraft
Omnidirectional propelling type airship
Propulsion system for a lighter-than-air vehicle
Propulsion system for a lighter-than-air vehicle
Vectored thrust airship
Vertical lift aircraft having an enclosed rotary wing