In 1937 the Japanese Navy sought the design of a three-seat reconnaissance floatplane, and a specification was issued to a number of aircraft manufacturing companies.

The Dr.1 is a 75% scale replica of the famous World War I fighter and is supplied to the builder in kit form. It is of aluminium tubular construction and has removable three-piece wings which are transportable.

The Nieuport 24 replica is one of a series of scale and full-scale World War I aircraft produced by Airdrome Aeroplanes of Holden, Missouri for the sport pilot and it is supplied in kit form for construction by the amateur pilot / builder in two variants, the Nieuport 24 and

Airdrome Aeroplanes of Holden, Missouri, has for some years produced plans and kits for a series of scale replicas of well known fighters from World War I fitted with modern engines. One of these is a full-scale replica of the Sopwith Pup.

Airship Industries was set up in the early 1980s to build a series of airships in two models, the 500 and 600, and more than a dozen were completed.