The Siebel Si 204 was a small twin-engined transport and trainer 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.
Role Light transport/trainer
National origin Germany
Manufacturer Siebel
Primary users Luftwaffe
Czechoslovakia
France
Developed from Siebel Fh 104
SpecificationsGeneral characteristicsCrew: 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 weight: 3,950 kg (8,709 lb)
Max. takeoff weight: 5,600 kg (12,348 lb)
Powerplant: 2 × Argus As 411 A1, 441 kW (592 hp) each
PerformanceMaximum 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)
Military Operators CzechoslovakiaCzechoslovakian Air Force operated ex-Luftwaffe Si 204 as well as Aero C-3 built in Czechoslovakia post war.
Czechoslovakian National Security Guard
FranceFrench Air Force operated ex-Luftwaffe Si 204 as well as NC-701 built in France post war.
French Navy
GermanyLuftwaffe
HungaryHungarian Air Force operated six Aero C-3s, the aircraft were in service from 1947 to 1953.
PolandPolish Air Force operated 6 NC-701 in 1949-1955 for aerial photography (received from LOT airlines)[4]
SlovakiaSlovak Air Force (1939-1945)
SwitzerlandSwiss Air Force
Soviet UnionSoviet Air Force operated several captured Si 204.
[edit]Civil Operators
Czechoslovakia?SA (post-war - Aero C-103)
GermanyDeutsche Luft Hansa operated at least 4 aircraft.
PolandPolskie Linie Lotnicze LOT operated in 1947-1948 six NC-701 bought in France, for aerial photography (markings: SP-LFA to LFF)[4]
SwedenRikets Allmänna Kartverk operated five NC-701 bought in France between 1962-1970 for mapping photography .
Soviet UnionAeroflot operated post war some captured Si 204 for transport duties.
NetherlandsNLL Dutch National Aeronautical Laboratory operated a BMM built Si 204-D1 from 1946 till 1964. It was registered PH-NLL. See
www.nlrmuseum.nl/pdf/nb18.pdf (in Dutch).