[6] The design has been built by a large number of companies including Grampian Marine and Paceship Yachts in Canada, Chantier Naval Costantini in France, Alpa Yachts, Centro Nautico Adriatico, Comar Yachts, Galetti and Nautivela in Italy, Van Doesburg, Dusseldorp, Van Wettum and Perry Lengton in The Nederlands, Advance Sailboat Corp, W. D. Schock Corp, Whitecap Composites and Zim Sailing in the United States.

The first Flying Junior was built by Pim van den Brink (Kolibri) in the Dutch village Stompwijk.

[1][2] The boat has a fractional sloop rig, a raked stem, a plumb transom, a transom-hung rudder controlled by a tiller and retractable centerboard.

[1][2] The boat has a draft of 2.50 ft (0.76 m) with the centerboard extended and 7 in (18 cm) with it retracted, allowing operation in shallow water, beaching, ground transportation on a trailer or car roof.

[1][2][31] Whitecap Composites produces a lightened version of the design with improved ergonomics, marketed as the "Turbo FJ".