__NOTOC__ The CAP-4 Paulistinha was a military and civilian trainer aircraft built in

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

during the 1930s and 1940s. It was originally developed by

Empresa Aeronáutica Ypiranga Empresa Aeronáutica Ypiranga, commonly shortened to EAY, was a Brazilian aircraft manufacturer based in São Paulo and founded in 1931 by American Orton Hoover, Brazilian Henrique Dumont Villares and German Fritz Roesler. History In 1914, Orto ...

(EAY) as an unlicensed copy of the

Taylor Cub The Taylor Cub was originally designed by C. Gilbert Taylor as a small, light and simple utility aircraft, evolved from the Arrowing Chummy. It is the forefather of the popular Piper J-3 Cub, and total production of the Cub series was 23,512 ...

Salmson 9A Between 1920 and 1951 the Société des Moteurs Salmson in France developed and built a series of widely used air-cooled aircraft engines.Gunston 1986, p. 158. Design and development After their successful water-cooled radial engines, developed ...

radial engine The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ca ...

. It featured a high strut-braced wing, two enclosed tandem seats, and a steel-tube

fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...

with fabric covering. Its tailwheel

undercarriage Undercarriage is the part of a moving vehicle that is underneath the main body of the vehicle. The term originally applied to this part of a horse-drawn carriage, and usage has since broadened to include: *The landing gear of an aircraft. *The ch ...

was not retractable. EAY had built five examples by the time that the firm was purchased by

Companhia Aeronáutica Paulista Companhia Aeronáutica Paulista usually known as CAP was a Brazilian aircraft manufacturer established in São Paulo. History It acquired the assets of Empresa Aeronáutica Ypiranga the same year it was founded and with them, the design that w ...

(CAP) in

1942 Events Below, the events of World War II have the "WWII" prefix. January * January 1 – WWII: The Declaration by United Nations is signed by China, the United Kingdom, the United States, the Soviet Union, and 22 other nations, in wh ...

. CAP continued manufacturing the type under the designation CAP-4. The type was widely successful, with nearly 800 units being produced for Brazil's flying clubs and armed forces, as well as for export to

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Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

and

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

. At the time of peak production in 1943, a new CAP-4 left the factory every day, and production continued until 1948. In 1956, Sociedade Aeronáutica Neiva (Neiva) acquired the rights renaming it to P-56 Paulistinha, the design was used as the basis for an agricultural aircraft, the P-56 Agricola, adding a fibreglass chemical hopper and spraybars, but this was unable to compete with imported, purpose-built agricultural aircraft.

Variants

;EAY-201:original radial engined version ;CAP-4:main production version ;CAP-4B:air ambulance version (2 prototypes built) ;CAP-4C:artillery-spotting version, (''Paulistinha Rádio'' or ''Paulistinha Observação'') ;P-56 Agricola:agricultural version by Neiva (60 built) ;Paulistinha 56-C:Powered by

Continental C-90 The Continental C90 and O-200 are a family of air-cooled, horizontally opposed, four-cylinder, direct-drive aircraft engines of 201 in³ (3.29 L) displacement, producing between 90 and 100 horsepower (67 and 75 kW).''Federal Aviation Admin ...

-8F/12F engine. 256 built by Neiva between 1958 and 1964.Taylor 1969, p. 10. ;P56C-1 Paulistinha Rebocador ;Paulistinha 56-D:More powerful version with Lycoming O-320-A1A. Single prototype built, which was designated L-6A by Brazilian Air Force. No production.

Operators

; *

Brazilian Navy ) , colors= Blue and white , colors_label= Colors , march= "Cisne Branco" ( en, "White Swan") (same name as training ship ''Cisne Branco'' , mascot= , equipment= 1 multipurpose aircraft carrier7 submarines6 frigates2 corvettes4 amphibious warf ...

; *

Paraguayan Military Aviation Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

4 aircraft bought in the early 1960s *

Paraguayan Aeroclub Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

4 aircraft bought in the 1950s

Specifications (CAP-4)

References

;Notes ;Bibliography * * *
Aeroclube de Joinville website

External links

{{Indústria Aeronáutica Neiva Paulistinha Single-engined tractor aircraft High-wing aircraft 1930s Brazilian military trainer aircraft 1930s Brazilian civil trainer aircraft World War II military aircraft Neiva aircraft Aircraft first flown in 1935