Siebel Si 204

Siebel Si 204
Country	Germany
Type	Light transport/trainer
First flight	25 May 1940
Built	1216

The Siebel Si 204 was a small twin-engined transport and trainer aircraft developed in World War II. It was based on the Fh 104 Hallore. Originally designed in response to an Ministry of Aviation development order for a small civil transport aircraft in 1938, it was eventually produced for the Luftwaffe.

Source: Wikipedia

Aero C-3A Walk Around
Photographer	Pavel Senk
Localisation	Unknow
Photos	41

Aero C-3A 1

Aero C-3A 2

Aero C-3A 3

Aero C-3A 4

Aero C-3A 5

Aero C-3A 6

Aero C-3A 7

Aero C-3A 8

Aero C-3A 9

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General Characteristics

The Aero C-3A was the Czechoslovak post-war production variant of the German Siebel Si 204D, a small, twin-engined transport and instrument trainer aircraft. Production took place at the Aero and ČKD-Praga plants during the German occupation and continued after the liberation of Czechoslovakia. The C-3A variant was specifically used by the Czechoslovak Air Force for training pilots on multi-engine aircraft, earning the nickname “Sibly.”

Property	Typical Value (Aero C-3A)
Role	Multi-Engine Trainer / Light Transport
Manufacturer	Aero Vodochody (Czechoslovakia)
In Service (Post-War)	1945–c. 1960s
No. Built (C-3 Series)	541 (by Aero, plus 492 by BMM/ČKD)
Crew	2 (Pilot and Co-pilot/Trainee)
Capacity (Passengers)	Up to 8 passengers (Civilian C-103 variant)
Length	11.95 m (39 ft 2 in)
Wingspan	21.28 m (69 ft 10 in)
Max Takeoff Weight	5,600 kg (12,346 lb)

Design and Powerplant

Engines: Two Argus As 411TA-1 12-cylinder, inverted V-12 air-cooled piston engines (Often referred to as M-411 in Czechoslovakia).
Power Output (each): Approximately 426 kW (571 hp) to 433 kW (580 hp).
Structure: All-metal low-wing cantilever monoplane. It featured a distinctive twin vertical stabilizer tail unit (similar to its predecessor, the Si 204).
Landing Gear: Fully retractable main landing gear, folding into the engine nacelles, plus a fixed tail wheel.
Cockpit: The C-3A trainer variant had dual controls and a “stepped” cockpit canopy similar to the original Si 204, providing good visibility for both pilot and instructor.

Performance and Service

Maximum Speed: Up to 359 km/h (223 mph, 194 knots).
Max Cruise Speed: 319 km/h (198 mph, 172 knots).
Service Ceiling: 7,500 m (24,606 ft).
Range: Approximately 1,600 km (994 mi, 864 nmi).
Variants:
- C-3A: Trainer version with dual controls (the subject of this request).
- C-3B: Bombardier training version, equipped with a bomb sight and a defensive machine gun turret.
- C-103: Civilian passenger transport variant.
Other Uses: C-3 aircraft were also used for non-military purposes, including fighting forest pests and crushing ice on the Danube River.