The Letov Š-12 was a fighter aircraft built by Letov in the early 1920s.
Design.
The Š-12 was a monoplane based on the Letov Š-4. The aircraft remained a prototype only without entering mass production.
Specifications (Š-12).
"Data from" General characteristics* Crew: 1* Aspect ratio: * Propellers: -bladed
Performance* Maximum speed: Mach * Endurance: * g limits: * Roll rate: 
Armament
References.
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