The Vertical Hummingbird is an American helicopter, produced by of Sanford, Florida that was introduced in 1991. The aircraft is supplied as a kit for amateur construction.
The Vertical Hummingbird is an American helicopter, produced by of Sanford, Florida that was introduced in 1991. The aircraft is supplied as a kit for amateur construction. (en)
The Vertical Hummingbird is an American helicopter, produced by of Sanford, Florida that was introduced in 1991. The aircraft is supplied as a kit for amateur construction. (en)