Gastambide-Mengin monoplane

Gastambide-Mengin / Antoinette II
Role Experimental monoplane
Manufacturer Antoinette
Designer Léon Levavasseur
First flight 8 February 1908
Number built 1

The Gastambide-Mengin monoplane (later Gastambide-Mengin I, Gastambide-Mengin II and Antoinette II) was an early French experimental aircraft designed by Léon Levavasseur, and was the first aircraft built by the Antoinette company. The name came from Jules Gastambide, who financed the company, and Gabriel Mengin, the aircraft engineer.