Blériot-SPAD S.33
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The Bleriot-SPAD S.33 was a small French airliner developed soon after World War I. The aircraft was a biplane of conventional configuration whose design owed much to the Blériot company's contemporary fighter designs such as the S.20. Four passengers could be accommodated in an enclosed cabin within the monocoque fuselage, and a fifth passenger could ride in the open cockpit beside the pilot. A great success, the S.33 dominated its field throughout the 1920s, initially on CMA's Paris-London route, and later on continental routes serviced by Franco-Roumaine.
One interesting development was a sole example converted by CIDNA to act as a blind-flying trainer. A set of controls was installed inside the passenger cabin, the windows of which had been blacked out.
Variants
- S.33
- Single-engined passenger transport aircraft, powered by a Script error: No such module "convert". Salmson CM.9 radial piston engine. 41 aircraft built.
- S.46
- Improved version of the S.33, powered by a Script error: No such module "convert". Lorraine-Dietrich 12Da engine. 38 built and sold to the Franco-Roumaine Company.
- S.48
- A single S.33 temporarily re-engined in 1925, fitted with a Script error: No such module "convert". Lorraine 7M Mizar engine.
- S.50
- Luxury version with passenger cabin enlarged to six seats, fitted with a Script error: No such module "convert". Hispano-Suiza 8Fb engine. Three were converted from S.33s, plus two all-new aircraft.
Operators
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- Franco-Roumaine (20 aircraft)
- CMA (15 aircraft)
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- SNETA (6 aircraft)
Accidents and incidents
On 16 July 1922, F-FREI, operated by Franco-Roumaine, crashed close to the Château de Hohbarr after taking off from Strasbourg. The French pilot and four British passengers were all killed. The passengers were returning from watching the 1922 French Grand Prix.[1][2]
Specifications (S.33)
Data from Jane's all the World's Aircraft 1924,[3] Aviafrance:SPAD S-33,[4] Flight 7 July 1921:[5]
General characteristics
- Crew: 1
- Capacity: 4/5 paxTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convert
- Propellers: 2-bladed fixed-pitch propellerTemplate:Aircraft specs/length
PerformanceTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/rangeTemplate:Aircraft specs/rangeTemplate:Aircraft specs/range
- Endurance: 5 hoursTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Time to altitude: Template:Cvt in 10 minutes 5 seconds; Template:Cvt in 23 minutes; Template:Cvt in 45 minutes 32 secondsTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
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See also
Related development
References
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Further reading
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