The aircraft was produced as a kit for amateur construction.

The aircraft was designed to be sold as plans for amateur construction.

The design was made available as plans for amateur construction and about seven were completed.

The aircraft is supplied as plans only for amateur construction.

It is available as either a kit of parts or plans for amateur construction.

The aircraft are available in kit form for amateur construction.

He went on to design a series of small aircraft for amateur construction.

It was made available in the form of plans for amateur construction.

The Chaos is available in kit form for amateur construction.

The aircraft is available in the form of plans for amateur construction.