x planes

RSS
The Piasecki PA-97 Helistat (1986), an experimental heavy-lift aircraft, built by Piasecki by fastening four obsolete helicopters to a framework beneath a helium blimp.

The Piasecki PA-97 Helistat (1986), an experimental heavy-lift aircraft, built by Piasecki by fastening four obsolete helicopters to a framework beneath a helium blimp.