The Hiller VXT-8 Coleopter was a proposed annular wing VTOL aircraft designed in the United States in the late 1950s, inspired by the French SNECMA Coléoptère.
The Hiller VXT-8 Coleopter was an envisioned annular-wing VTOL plane developed in the United States in the latter half of the 1950s, drawing inspiration from the French SNECMA Coléoptère, a similar concept.