Fokker S.II

For the 1940s training aircraft, see Fokker S-11.

Fokker S.II

Role	Primary trainer
Manufacturer	Fokker
Designer	Reinhold Platz
First flight	1922
Primary user	Dutch Army Aviation
Number built	15+

The Fokker S.II was a 1920s Dutch primary trainer built by the Fokker company for service with the Dutch Army.

Development

The S.II was designed by Reinhold Platz as the second Fokker primary trainer, but unlike the earlier S.I monoplane the S.II was an unequal-span single-bay biplane with a fixed cross-axle landing gear. It had side-by-side seating for an instructor and pupil and was originally powered by an 82 kW (110 hp) Thulin rotary engine. The engine was later replaced with a Le Rhone-Oberursel engine.

The aircraft was ordered by the LVA (Dutch Army Aviation) who purchased 15. One aircraft was modified to use a Curtiss OX-5 engine to elicit a response from the United States Army Air Service but they were not interested and the aircraft was returned to standard configuration.

Operation history

The 15 aircraft served with the Dutch Army until 1932 but one of the aircraft were converted to an Ambulance configuration and designated the S.IIA. It was still in service when German forces invaded the Netherlands in 1940. The S.IIA gained national notability in December 1933, when it was used for a mercy flight to carry two sick children and a young woman to hospital.

Variants

S.II: Production version, 15 built.
S.IIA: One S.II modified to carry stretchers as an ambulance aircraft.

Operators

Netherlands

Dutch Army Aviation

Soviet Union

Soviet Air Force - Two aircraft.

Specifications (S.II)

General characteristics

Crew: 2
Powerplant: 1 × Rhône-Oberursel 9-cyl. air-cooled rotary piston engine, 67 kW (90 hp)

Performance

References

Wikimedia Commons has media related to Fokker S.II.

The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 1899

Aircraft produced by Fokker

Company designations
pre-1918

M.1 M.2 M.3 M.4 M.5 M.6 M.7 M.8 M.9 M.10 M.14 M.15 M.16 M.17 M.18 M.19 M.21 M.22

V.1 V.2 V.3 V.4 V.5 V.6 V.7 V.8 V.9 V.10 V.11 V.12 V.13 V.14 V.16 V.17 V.18 V.20 V.21 V.22 V.23 V.24 V.25 V.26 V.27 V.28 V.29 V.30 V.31 V.33 V.34 V.35 V.36 V.37 V.38 V.39 V.40 V.41 V.43 V.45

Austro-Hungarian
military designations

German military
designations

A.I A.II A.III

C.I

D.I D.II D.III D.IV D.V D.VI D.VII D.VIII

Dr.I

E.I E.II E.III E.IV E.V

F.I

K.I

Company designations
post-1918

continuing
German military
designations:

B.I B.II B.IIII B.IV B.V

C.II C.III C.IV C.V C.VI C.VII C.VIII C.IX C.X C.XI C.XIV C.XV

D.IX D.X D.XI D.XII D.XIII D.XIV D.XVI D.XVII D.XXI D.XXIII

DC.I

F.II F.III F.IV F.V F.VI F.VII F.VIII F.IX F.X F.XI F.XII F.XIV F.XVIII F.XX F.XXII F.XXIV F.25 F26 F27 F28 F.29

FG.I FG.II FG.III FG.IV

G.I

S.I S.II S.III S.IV S.IX S-11 S-12 S-13 S-14

T.II T.III T.IV T.V T.VIII T.IX

based on
seating:

Fokker America

United States
military designations

Observation:	AO-1 CO-4 XO-27

Transports:	T-2 C-2 C-5 C-7 C-14 C-15 C-16 C-20 C-31 RA

Bombers:	XLB-2 XB-8 FT-1 FT-2

Attack:	XA-7

Fighters:	PW-5 PW-6 PW-7

Ambulance:	A-2

Trainer:	TW-4

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