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. Vaclav Nemecek. Ceskoslovenska Letadla (translated by Dmitry Pismensky)Air International. Fighter a to z
Specifications (Š-12)
References