Intended to meet a Czech military requirement and designed as a three-seat long-range bomber, the Š-33 first flew in 1930. The Š-33 was a cantilever mid-wing monoplane with a conventional tailskid landing gear. Powered by an 800 hp (597 kW) Isotta Fraschini engine, the Š-33 was tested but no production order was placed.
Data from 
- Crew: three
- Wingspan: 21.70 m (71 ft 2 in)
- Max takeoff weight: 4,400 kg (9,700 lb)
- Powerplant: 1 × Isotta Fraschini piston engine, 600 kW (800 hp) built by Praga
- Propellers: 4-bladed
- Maximum speed: 270 km/h (168 mph; 146 kn)
- Guns: three machine-guns
- Bombs: up to 800Kg (1764lb)
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- Orbis 1985, p. 2316
- The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
- External links