The Letov Ã
 -1 was a Czechoslovak single-engined, two-seat biplane surveillance aircraft. It was the first military aircraft built in Czechoslovakia. It was designed by Alois Ã
 molÃÂk at Letov Kbely. The Ã
 -1 first flew in 1920.
Variants
SH-1: Hiero L engines. Later redesignated Ã
 -1. 28 built.
SM-1: Maybach Mb.IVa engines. Later redesignated Ã
 -2. 64 built.
Sm A 1: Commercial variant. Canopy over rear cockpit for two passengers.
Specifications (Ã
 -1)
References
Further reading