The Fokker S-11 Instructor is a single-engine two-seater propeller aircraft designed and manufactured by the

Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...

aircraft manufacturer Fokker.

History

One of the first activities undertaken by Fokker after

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

was the design of a new military aircraft for elementary flying training, the S-11 Instructor. An aircraft trader already placed orders for 100 of these aircraft in 1946, before construction had even begun. The first prototype flew at

Schiphol Amsterdam Airport Schiphol , known informally as Schiphol Airport ( nl, Luchthaven Schiphol, ), is the main international airport of the Netherlands. It is located southwest of Amsterdam, in the municipality of Haarlemmermeer in the province ...

on 18 December 1947. During testing in early 1948 it was found that some aerodynamic changes had to be made to improve the handling of the aircraft. Later that year demonstration flights for several air forces followed and eventually many S-11s were sold to the Royal Netherlands Air Force,

Israeli Air Force The Israeli Air Force (IAF; he, זְרוֹעַ הָאֲוִיר וְהֶחָלָל, Zroa HaAvir VeHahalal, tl, "Air and Space Arm", commonly known as , ''Kheil HaAvir'', "Air Corps") operates as the aerial warfare branch of the Israel Defens ...

Italian Air Force , colours = , colours_label = , march = (Ordinance March of the Air Force) by Alberto Di Miniello , mascot = , anniversaries = 28 March ...

, Brazilian Air Force,

Paraguayan Air Force The Armed forces of Paraguay ( es, Fuerzas Armadas de Paraguay) consist of the Paraguayan army, navy (including naval aviation and marine corps) and air force. The constitution of Paraguay establishes the president of Paraguay as the commander- ...

and

Bolivian Air Force The Bolivian Air Force ( es, Fuerza Aérea Boliviana or 'FAB') is the air force of Bolivia and branch of the Bolivian Armed Forces. History By 1938 the Bolivian air force consisted of about 60 aircraft (Curtiss Hawk fighters, Curtiss T-32 Co ...

. Some 170 aircraft were license built in Italy as the Macchi M.416. A limited number of S-11 Instructors are still flying today. The Dutch ''Fokker Four'' foundation, dedicated to the preservation of the aircraft, operates four S-11s and amongst other activities still performs with them on

airshow An air show (or airshow, air fair, air tattoo) is a public event where aircraft are exhibited. They often include aerobatics demonstrations, without they are called "static air shows" with aircraft parked on the ground. The largest air show ...

s. A version of the S-11 fitted with

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle g ...

, the S-12, was built by ''Fokker Industria Aeronautica'' in Brazil, and was used by the Brazilian Air Force as the T-22 Instructor.

Variants

;S-11 :Prototypes - four built ;S-11-1 :Production variant for the Royal Netherlands Air Force and the Naval Aviation Service of the Royal Netherlands Navy- 48 built. ;S-11-2 :Production variant for the Israeli Air Force - 41 built. ;S-11-3 :Production variant for the Italian Air Force - 180 built under license by

Aermacchi Aermacchi was an Italian aircraft manufacturer. Formerly known as Aeronautica Macchi, the company was founded in 1912 by Giulio Macchi at Varese in north-western Lombardy as Nieuport-Macchi, to build Nieuport monoplanes under licence for the Ita ...

(Qty 110) and IMAM (Qty 70) as the M.416 ;S-11-4 :Production variant for the Brazilian Air Force - 99 built including 95 by Fokker Brazil. ;S-12 :Tricycle landing gear variant, one prototype built by Fokker and 49 production aircraft for the Brazilian Air Force built by Fokker Brazil. ;Macchi M.416 :Name used for licence built S-11-3 for the Italian Air Force. ;T-21 :Brazilian Air Force designation for the S-11-4 ;T-22 :Brazilian Air Force designation for the S-12 ;YT-22 Guanabara :Brazilian built four-seat tricycle landing gear variant, one built

Operators

; * Brazilian Air Force operated 100 aircraft in the 1960s and early 1970s. ; *

operated 8 former Brazilian aircraft in the 1970s. ; *

operated 41 aircraft from 1951 to 1957. ; *

Italian Air Force , colours = , colours_label = , march = (Ordinance March of the Air Force) by Alberto Di Miniello , mascot = , anniversaries = 28 March ...

operated 178 aircraft built by Macchi under licence as Macchi M.416 from 1951 to 1960s ; * Royal Netherlands Air Force - 39 aircraft delivered * Royal Netherlands Navy -

Dutch Naval Aviation Service The Netherlands Naval Aviation Service ( nl, Marineluchtvaartdienst, shortened to MLD) is the naval aviation branch of the Royal Netherlands Navy. History World War I Although the MLD was formed in 1914, with the building of a seaplane bas ...

- Nine aircraft delivered ; *

Paraguayan Air Arm The Armed forces of Paraguay ( es, Fuerzas Armadas de Paraguay) consist of the Paraguayan army, navy (including naval aviation and marine corps) and air force. The constitution of Paraguay establishes the president of Paraguay as the comman ...

operated 8 former Brazilian aircraft from 1972 to 1978.

Aircraft on display

Brazil

;T-21 *0789 - On display at the

Museu Aeroespacial Museu Aeroespacial is a national aviation museum located in the West Side of Rio de Janeiro, Brazil in the Administrative Region of Realengo. The place is known as "the Brazilian Aviation cradle".Ogden (2008) Address Av. Marechal Fontenelle, 2000 ...

(Brazilian Air Force Museum),

Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a ...

Italy

;Macchi M.416 *MM53762 - On display at the ''Museo Storico dell'Aeronautica Militare di Vigna di Valle'' (

Italian Air Force Museum The Italian Air Force Museum is an aircraft museum at Vigna di Valle, on Lake Bracciano (Lazio), in central Italy. It is operated by the . The museum's collection has an emphasis on Italian machines and seaplanes. While maintaining the technical a ...

Vigna di Valle ''Vigna'' is a genus of plants in the legume family, Fabaceae, with a pantropical distribution.Aitawade, M. M., et al. (2012)Section ''Ceratotropis'' of subgenus ''Ceratotropis'' of ''Vigna'' (Leguminosae–Papilionoideae) in India with a new ...

) as 'AA-48' *MM53194 airframe, to be restored at the ''Volandia Parco e Museo del Volo ( Volandia Flight Museum)

Netherlands

;S-11 *E-22 - on display at

Nationaal Militair Museum The Nationaal Militair Museum (NMM) is a military museum in Soesterberg, Netherlands. It focuses on the history of the Dutch Armed Forces with emphasis on the Royal Netherlands Army and the Royal Netherlands Air Force. The Stichting Koninklijke ...

*E-24 - in storage at Nationaal Militair Museum ;S-12 * PH-NDC on display at the Aviodrome museum,

Lelystad Airport Lelystad Airport is an airport south southeast of the city of Lelystad in Flevoland, Netherlands. It is the biggest general aviation airport in the Netherlands. The first flights were in 1971 and it became an official airport in 1973. Schipho ...

. As the prototype S-12, the aircraft briefly carried the military registration E-41. In the 1950s and 1960s it became a test aircraft with

Delft University Delft University of Technology ( nl, Technische Universiteit Delft), also known as TU Delft, is the oldest and largest Dutch public technical university, located in Delft, Netherlands. As of 2022 it is ranked by QS World University Rankings among ...

, who -through the "Nederlands Instituut voor Vliegtuigontwikkeling" and its aviation development department- used it for boundary layer suction research. In the mid-1970s it was withdrawn from use and donated to the Aviodome museum at

Schiphol Airport Amsterdam Airport Schiphol , known informally as Schiphol Airport ( nl, Luchthaven Schiphol, ), is the main international airport of the Netherlands. It is located southwest of Amsterdam, in the municipality of Haarlemmermeer in the province ...

Known airworthy aircraft

Netherlands

;S-11-1 * E-14, E-27, E-29 and E-39 (all former Royal Netherlands Air Force (RNLAF) planes, civilian registered as PH-AFS, PH-HOG, PH-HOK and PH-HOL respectively) Also known as 'The Fokker Four Foundation', an organization of Dutch volunteers that operate a fleet of four Fokker S-11 'Instructor' aircraft, that are able to fly and are shown to the public, at various

airshows An air show (or airshow, air fair, air tattoo) is a public event where aircraft are exhibited. They often include aerobatics demonstrations, without they are called "static air shows" with aircraft parked on the ground. The largest air show ...

around Europe. They are based at The Aviodrome museum at

, Netherlands. * E-6, E-20, E-24, E-32 ((all former RNLAF planes) and 197 (former Royal Netherlands Navy plane), civilian registered as PH-GRB, PH-HOI, PH-HOE and PH-GRY, are with the RNLAF Historic Flight at

Gilze-Rijen Air Base Gilze-Rijen Air Base ( nl, Vliegbasis Gilze-Rijen, ) is a military base, military military airbase, airbase in the south of Netherlands. It is located between the cities of Breda and Tilburg, which are both in North Brabant. The airport is mainly, ...

* 179/K (former RNLAF E-36, civilian registered as PH-ACG) civilian owned at Lelystad Airport * E-25 (former RNLAF plane, ex OO-LMC, registered PH-SII) under restoration at Lelystad Airport

United States of America

* E-11 (former RNLAF plane, civilian registered as N911J)FlightAware / N911J Aircraft Registration
Civilian owned in California.

Specifications (S-11)

References

Bibliography

*Aloni, Shlomo. ''Stearman Replacement — Replaced by a Stearman''.

Air Enthusiast ''Air Enthusiast'' was a British, bi-monthly, aviation magazine, published by the Key Publishing group. Initially begun in 1974 as ''Air Enthusiast Quarterly'', the magazine was conceived as a historical adjunct to ''Air International'' maga ...

87, May–June 2000, pp. 41–48. * Bridgeman, Leonard. ''Jane's All The World's Aircraft 1953–54''. London: Jane's All The World's Aircraft Publishing Company, 1953. * Smith, Maurice A
"Fokker S.11 Instructor in the Air"
''

Flight Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e. spaceflight). This can be a ...

'', 24 February 1949. pp. 218–221.

External links

Airliners.net - Photos of the Fokker S-11Fokker Four website
(currently in Dutch only)

(Dutch) {{Fokker aircraft S11 1940s Dutch military trainer aircraft Single-engined tractor aircraft Low-wing aircraft Aircraft first flown in 1947

History

Variants

Operators

Aircraft on display

Brazil

Italy

Netherlands

Known airworthy aircraft

Netherlands

United States of America

Specifications (S-11)

See also

References

Bibliography

External links