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Encyclopedia > Siebel Si 204
Siebel Si 204, Aviation Museum Prague Kbely
Siebel Si 204, Aviation Museum Prague Kbely

The Siebel Si 204 was a small twin-engined transport and school aircraft developed during World War II. It was based on the Fh 104. Originally designed in response to a RLM development order for a small civil transport plane in 1938, it was eventually produced for the Luftwaffe. Image File history File links Download high-resolution version (1791x1196, 593 KB) Summary Licensing File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Siebel Si 204 ... Image File history File links Download high-resolution version (1791x1196, 593 KB) Summary Licensing File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Siebel Si 204 ... See also: Siebel Systems Siebel, originally Flugzeugbau Halle, was a German aircraft manufacturer. ... To meet Wikipedias quality standards, the use of images on this page may require cleanup, involving adjustment of image placement, formatting, size, or other adjustments. ... Reichsluftfahrtministerium (Reich Aviation Ministry / German Air Ministry / German Aviation Administration) Note: If you are looking for the RLM-GL/C list, please go to List of RLM aircraft designations The Reich Air Ministry (Reichsluftfahrtministerium or RLM), was a German civil service organization in charge of development and production of aircraft... This is a list of aviation-related events from 1938: Events Imperial Airways inaugurates scheduled service from London to Montreal. ... The Deutsche Luftwaffe or (German: air force, literally Air Arm or Air Weapon, IPA: [luftvafÉ™]) is the commonly used term for the German air force. ...

Contents


Development

The Si 204 was planned as a small passenger plane with 2 crew and 8 passengers for German Lufthansa. The development of this all-metal-plane was initiated in 1938. The contractor was, as usual, the RLM, but the development was conducted in close collaboration between Lufthansa and Siebel in Halle. After the beginning of the war the plane was re-designed as a training aircraft with a full glass cockpit for blind flying. The first two prototypes only were delivered as passenger planes with the old cockpit. The maiden flight of the first prototype was before September 1940, possibly on 25th May 1940, that of the second prototype before February 1941. The third prototype was re-designed as a school plane for blind flying. As a result of this, the maiden flight was not earlier than the end of 1941 or the beginning of 1942. At that time Siebel produced the Ju 88 under licence, and therefore only 15 prototypes were able to be built in Halle. As a result, SNCAN in France produced the passenger plane A-1 and the pre-series A-0 between April 1942 and November 1943. ČKD/BMM in the Czech Protectorate delivered the first blind flying school aircraft D-0 in October 1942 and started production of a further 44 D-0 pre-series planes in February 1943. The D-1 series was begun in March 1943 by the Aero company, also located in the Czech Protectorate, and by BMM in June or July 1943. In September 1943, SNCAN also delivered the first D-1. The production of the D-3 was probably started in October or November 1944 by the Aero company. The D-3 had wooden wings and a tail plane made of wood and metal. In France, production of the D-1 was ended in August 1944 as a result of the Liberation. All in all 168 Si 204 were built by SNCAN. BMM produced the plane until around September 1944 and then changed to the production of spare parts for the Si 204. The Aero company was scheduled to cease production of the D-1 in March 1945 after building 486 planes and then switch to D-3 only. The aircraft, however, was built until May 1945 in small numbers. The RLM planned that 30 planes (D-1 and D-3) per month had to be delivered by the Aero company, beginning in December 1944. However, less were actually produced. Therefore an estimated total production of 1.250 to 1.300 during the war can be reasonably assumed.


Production figures of the Si 204 until 31st January 1945 (after this date no figures are available):

Version Siebel SNCAN BMM/ČKD Aero SUM
Prototypes 15       15
A-0   30     30
A-1   85     85
D-0     45   45
D-1   53 447 477 977
D-3       64 64
SUM 15 168 492 541 1.216

Sources: Files from Federal Archive/Military Archive Freiburg and from Lufthansa-Archive, Cologne


Operational history

The use of the Si 204 D was mainly in B- and C-Schools (advanced schools) and by FÜG 1 (delivery wing of the Luftwaffe), probably as a taxi plane for crews who had delivered other planes to fighting units. The utilization in blind flying schools was sporadic; for radio schools there is no evidence of use. The Si 204 A flew mainly with communications squadrons and flying services for senior officers, but also with schools.


In July 1944 five Si 204 were destined to be converted to night combat planes, but no further planes were allotted. They were probably intended for the pre-series Si 204 E-0. There is, however, no evidence that these planes were ever used in combat situations.


Lufthansa received at least four Si 204: The first prototype, D-AEFR, was evaluated from March to May 1941 by Lufthansa Prague. From Spring 1942 to Spring 1943 the second prototype, D-ASGU, was used on regular routes as a freight carrier. At the end of the war one Si 204 D remained in Berlin-Tempelhof (named “Rhein”). One flew to Enns in Austria, where it was captured by the Allies.


After the war, captured Si 204s flew in a variety of roles in the Soviet Union, including with Aeroflot and TsAGI, but were all quickly phased out of service as local aircraft manufacturing was re-established. Aeroflot Airbus A319 at Berlin Aeroflot — Russian Airlines (Russian:Аэрофло́т — Росси́йские авиали́нии), or Aeroflot (Аэрофло́т; literally air fleet), is the Russian national airline and the biggest carrier in Russia. ... TsAGI is a transliteration of the Russian abbreviation for Центра́льный аэрогидродинами́ческий институ́т (ЦАГИ) or Tsentralniy Aerogidrodinamicheskiy Institut, the Central Aerohydrodynamic Institute. ...


Prototypes of the Si 204

Version Engine Usage First Flight Fate
V1 As 410 Prototype passenger plane, Reg. D-AEFR 25th May, 1940? Not mentioned in November 1942, scrapped?
V2 As 410 Prototype passenger plane, Reg. D-ASGU Before February 1941 26.02.44 Crash Erprobungs-Stelle Rechlin
V3 As 410 Prototype Blind flying school plane Before February 1942 01.06.42 Crash Erprobungs-Stelle Rechlin
V4 As 411 Prototype Blind flying school plane, Reg. KM+GB Before November 1942  
V5   For stress testing    
V6 As 410 Evaluation As 410 December 1942  
V7 As 410 Weather reconnaissance    
V8 As 410 General flight evaluation    
V9 As 410 General flight evaluation   30.06.43 Crash School C-16 Burg
V10 As 410 General flight evaluation    
V11 As 410 General flight evaluation    
V12 As 410 General flight evaluation   13.03.44 Crash Erprobungs-Stelle Rechlin
V13 As 410 General flight evaluation    
V14 As 411 Prototype D-2    
V15 As 411 Evaluation As 411    

General characteristics

  • Crew: one or two pilots
  • Capacity: up to 8 passengers or up to 1,650 kg (3,638 lb) cargo
  • Length: 13.00 m (42 ft 8 in)
  • Wingspan: 21.33 m (70 ft 0 in)
  • Height: 4.25 m (14 ft 0 in)
  • Wing area: 46 m² (495 ft²)
  • Empty: 3,950 kg (8,709 lb)
  • Loaded: kg ( lb)
  • Maximum takeoff: 5,600 kg (12,348 lb)
  • Powerplant: 2x Argus 411 A1, 441 kW (592 hp) each

Performance

  • Maximum speed: 364 km/h (228 mph)
  • Range: 1,400 km (875 miles)
  • Service ceiling: 6,400 m (20,992 ft)
  • Rate of climb: 360 m/min (1,181 ft/min)
  • Wing loading: kg/m² ( lb/ft²)
  • Power/Mass: kW/kg ( hp/lb)

Operators

Civil Operators

Aeroflot Airbus A319 at Berlin Aeroflot — Russian Airlines (Russian:Аэрофло́т — Росси́йские авиали́нии), or Aeroflot (Аэрофло́т; literally air fleet), is the Russian national airline and the biggest carrier in Russia. ... Czech Airlines (in Czech: České aerolinie (abbreviation: ČSA)) is the Czech national airline company, based at Ruzyně International Airport, Prague. ... Lufthansa Boeing 737 Lufthansa Airbus A300 Lufthansa Avro RJ-85 Lufthansa is the name of the largest German airline company, headquartered in Cologne. ...

Related content

Related development: Siebel Fh 104


Comparable aircraft:


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  Results from FactBites:
 
Siebel Si 204: Information from Answers.com (852 words)
The Siebel Si 204 was a small twin-engined transport and school aircraft developed during World War II.
The Si 204 was planned as a small passenger plane with 2 crew and 8 passengers for German Lufthansa.
The use of the Si 204 D was mainly in B- and C-Schools (advanced schools) and by FÜG 1 (delivery wing of the Luftwaffe), probably as a taxi plane for crews who had delivered other planes to fighting units.
Siebel Si 204 at AllExperts (496 words)
The Siebel Si 204 was a small twin-engined transport aircraft developed for the during World War II.
A clean, low-wing monoplane of all-metal construction, the Si 204 was a modern aircraft at the time of its first flight in May 1941, and the Luftwaffe's first interest in it was as a twin-engine trainer to replace the Focke-Wulf Fw 58.
Late in the war, with material shortages looming, Siebel prepared to construct a batch of aircraft that replaced some of the structure with wood, but these were not completed by the end of the war.
  More results at FactBites »

 
 

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