The Antoinette Monobloc of 1911 was the last design of the soon liquidated, and then-named firm “Antoinette Aéroplan-Ateliers”. Powered by a 50-60 hp Antoinette engine, the Leon Levavasseur-designed machine, aka the Antoinette Blindé, aka the Antoinette Latham, never left the ground.
One of the first streamlined aircraft, it had a cantilever wing, without any external bracing, a spatted four wheel main undercarriage, and was extensively armoured for protection from ground fire. It was too heavy to fly more than a few yards.
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