Fight for yor Right!
14 January 2007
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Hi all, this is my Fokker Ontwerp list ( sorry only in german ).
´Can anybody of you complete this????

Ontwerp 101 unbekannt -------
Ontwerp 102 ???
Ontwerp 103 unbekannt -------
Ontwerp 104 Verkehrsflugzeug Projekt 1934
Ontwerp 105 Verkehrsflugzeug Projekt 1934
Ontwerp 106 Verkehrsflugzeug Projekt 1934
Ontwerp 107 Verkehrsflugzeug Projekt 1934
Ontwerp 108 ???
Ontwerp 109 Marineflugboot Projekt 1934
Ontwerp 110(D.XIX) Jagdflugzeug Projekt 1934
Ontwerp 111 Bombenflugzeug Projekt 1934
Ontwerp 112(frühe D.XXI) Jagdflugzeug 1934
Ontwerp 113 unbekannt -------
Ontwerp 114 unbekannt -------
Ontwerp 115(T.VI) Torpedobombenflugzeug Projekt 1934
Ontwerp 116 ???
Ontwerp 117 ???
Ontwerp 118 ???
Ontwerp 119(evtl. D.XX) Jagdflugzeug Projekt 1934
Ontwerp 120 ???
Ontwerp 121 ???
Ontwerp 122 Bombenflugzeug Projekt 1935
Ontwerp 123 Kampfflugzeug Projekt 1935
Ontwerp 124(D.XVII Version)Jagdflugzeug Projekt 1935
Ontwerp 125 ???
Ontwerp 126 Bombenflugzeug Projekt 1935
Ontwerp 127(F. 56 ) Verkehrsflugzeug Projekt 1935
Ontwerp 128 ???
Ontwerp 129(G. I Prototyp)Kampfflugzeug 193
Ontwerp 130(G. I Wasp) Kampfflugzeug 193
Ontwerp 131 ???
Ontwerp 132 Verkehrsflugzeug Projekt 1936
Ontwerp 133 ???
Ontwerp 134 ???
Ontwerp 135(„ Super G.1 “)Bombenflugzeug Projekt 1936
Ontwerp 136 ???
Ontwerp 137 ???
Ontwerp 138(G.I Mercury) Kampfflugzeug 193
Ontwerp 139 Verkehrsflugzeug Projekt 193
Ontwerp 140 Verkehrsflugzeug Projekt 193
Ontwerp 141(D.XXI Holland)Jagdflugzeug 1937
Ontwerp 142 ???
Ontwerp 143(frühe T.IX) Torpedobombenflugzeug 1937
Ontwerp 144 ???
Ontwerp 145 ???
Ontwerp 146 ???
Ontwerp 147 Reiseflugzeug Projekt 1937
Ontwerp 148 Reiseflugzeug Projekt 1937
Ontwerp 149 ???
Ontwerp 150(mit Brist. Hercules) Jagdflugzeug Projekt 1937
Ontwerp 151(mit R.R. Merlin) Jagdflugzeug Projekt 1937
Ontwerp 152(T. VI) Bombenflugzeug Projekt 1937
Ontwerp 153 Verkehrsflugzeug Projekt 1937
Ontwerp 154( G. 2 ) Kampfflugzeug Projekt 1937
Ontwerp 155( D.XXIII ) Jagdflugzeug 193
Ontwerp 156 Jagdflugzeug Projekt 193
Ontwerp 157 Jagdflugzeug Projekt 193
Ontwerp 158 Verkehrsflugzeug Projekt 1938
Ontwerp 159 Verkehrsflugzeug Projekt 1938
Ontwerp 160 Verkehrsflugzeug Projekt 1938
Ontwerp 161 ???
Ontwerp 162 Aufklärungsflugzeug Projekt 1938
Ontwerp 163 Aufklärungsflugzeug Projekt 1938
Ontwerp 164 Aufklärungsflugzeug Projekt 1938
Ontwerp 165 ???
Ontwerp 166 Transportflugzeug Projekt 193
Ontwerp 167 ???
Ontwerp 168 ???
Ontwerp 169 ???
Ontwerp 170 Transportflugzeug Projekt 193
Ontwerp 171 Verkehrsflugzeug Projekt 1939
Ontwerp 172 Amphibienflugzeug Projekt 1939
Ontwerp 173 ???
Ontwerp 174 Amphibienflugzeug Projekt 1939
Ontwerp 175 ???
Ontwerp 176 ???
Ontwerp 177 ???
Ontwerp 178 ???
Ontwerp 179(G.I Version) Kampfflugzeug Projekt 1939
Ontwerp 180 Verkehrsflugzeug Projekt 1939
Ontwerp 181 Verkehrsflugzeug Projekt 1939
Ontwerp 182 Verkehrsflugzeug Projekt 1939
Ontwerp 183 Seereiseflugzeug Projekt 1939
Ontwerp 184 Jagdflugzeug Projekt 1939
Ontwerp 185 Kampfflugzeug Projekt 1939
Ontwerp 186( G. 3 ) Kampfflugzeug Projekt 1939
Ontwerp 187 Kampfflugzeug Projekt 1939
Ontwerp 188 Amphibienflugzeug Projekt 1939
Ontwerp 189 Amphibienflugzeug Projekt 1939
Ontwerp 190 Amphibienflugzeug Projekt 1939
Ontwerp 191 ???
Ontwerp 192 Jagdflugzeug Projekt 1939
Ontwerp 193 ???
Ontwerp 194 ???
Ontwerp 195 Kampfflugzeug Projekt 1939
Ontwerp 196 Amphibienflugzeug Projekt 1939
Ontwerp 197 Schulflugzeug Projekt 1939
Ontwerp 198 Kampfflugzeug Projekt 1939
Ontwerp 199 Kampfflugzeug Projekt 1939
Ontwerp 200 ???
Ontwerp 201 Kampfflugzeug Projekt 1940
Ontwerp 202 unbekannt -------
Ontwerp 203 Sportflugzeug Projekt 1940
Ontwerp 204 ???
Ontwerp 205 ???
Ontwerp 206 ???
Ontwerp 207 Transportflugzeug Projekt 19
Ontwerp 208 Transportflugzeug Projekt 19
Ontwerp 209 Transportflugzeug Projekt 19
Ontwerp 210 Verkehrsflugzeug Projekt 1945
Ontwerp 211 ???
Ontwerp 212 ???
Ontwerp 213
Ontwerp 214
Ontwerp 215
Ontwerp 216
Ontwerp 217
Ontwerp 218
Ontwerp 219
Ontwerp 220
Ontwerp 221
Ontwerp 222
Ontwerp 223
Ontwerp 224
Ontwerp 225
Ontwerp 226
Ontwerp 227
Ontwerp 228
Ontwerp 229
Ontwerp 230

from Ontwerp 211 I have no idea!!!!!!!!

Servus Maveric

there is translation from airwarfareforum site.


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P.275 was 32-seat high wing airliner.
P.280 side-by-side two seat jet trainer.
P.305 jet version of F-27.
P.335 developed from F-27 as super F-27.
Hi hesham,

do you have a pic no.3 with much better quality?

Servus Maveric
No sorry Maveric,

but you send its drawing before in;,1833.0.html

the unknown 100 ton flying boat projects (Ontwerp).


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from Airwarfareforum site,the Fokker P.126 and G-2.


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Some details and images of Fokker Ontwerp No's,
(from 'Aeroplane Monthly', February 1989, pp. 121-124)

Ontwerp 104 :-

Mid 1934 high winged, twin engined aircraft, designed
to carry 16 passengers over 600 miles at 185 mph.
Alclad fuselage, wooden wings, area 947ft2
Engines, two Jumo 4 although the drawing,
see below, shows radials.

Ontwerp 105-107 :-

Derived from 104. 105, wings fitted with de-icers,
lighter construction, engines two Wright Cyclone F-2,
see above.
106, low-winged variation, with enlarged wing, area 1033ft2.
107, wing as 106, but high mounted.

Ontwerp 115 :-

Heavy Bomber, warload 6-8,000lbs of bombs in centre
Crew 7, 5 of which were to be gunners. Nose and dorsal
positions armed with a single 20mm cannon, the
remainder armed with single machine guns.
Engines, four Gnome-Rhone engines of 1,110hp each
Max speed with 6,000lbs of bombs, 230mph.

Ontwerp 127 :-

Four engined (Pegasus X, of 870hp), bomber/transport
with deep fuselage. Span 126ft. Payload, 8,000lbs of bombs,
or 36 passengers in luxury accommodation, see image below,
showing two level passenger accommodation, and roomy toilets,
at it's widest, the fuselage was to be some 11'6" wide,
and 16' high.
The article states that the unspecified fuel load 'gives the
impression that it (the type 127) would not have had great

Ontwerp 129 :-

Precursor of the Fokker G.1. March 1936. Main difference
is smaller nacelle for the crew. It is stated that lateral control
was to be by means of spoilers, allowing for larger flaps, in
turn making landing easier, however, the drawing clearly
shows ailerons. Likewise the engines are stated to be
400hp 16-cylinder radials, whereas the drawing shows what
appear to be direct-drive inverted Vee-type engines.
Armament, two 20mm cannon, plus several machine guns.
1200lbs of bombs could be carried.

Ontwerp 135 :-

'Super G.1'. 70' span, all metal construction. Engines, two
Bristol Mercury VIII with constant speed propellors.
Max speed approx. 270mph, all-up weight 16,000lbs, 2,000lbs
of which could be bombload. Crew four.

Ontwerp 132 :-

Designed to compare with DC-4 prototype ( :eek:), but uneconomic
payload (twenty passengers), and outdated technically.
The metal nose and rear fuselage were to be bolted to the wooden
centre fuselage!!!

Ontwerp 160 :-

Burnelli type aircraft, both airliner and bomber versions, with
trans atlantic range. Intended to fly at high altitudes, to reduce
drag, and weather avoidance. Span 175' wing area 2,850ft2.
Speed 200mph at 23,000ft. Enduarance was calculated to be
23hr nonstop, with 39% fuel reserve.
Payload 26 passengers in luxury accommodation.
Engines were to be five DB 600H, though bomber version
drawing shows radial powerplants. Bomber fitted with four bomb
bays, total warload approx. 10,000lbs. Note the crazy 'nose' turret

Ontwerp 180 :-

Another Burnelli type, similar in size to the 160, this time using Jumo
211 Ba engines.(Again, the image appears to show radial engines)
Speed 205mph at 29,500'. All metal construction.

Ontwerp 210 :-

Yet another Burnelli type, this time larger, span 238', all-up weight
120,00lbs, payload of up to 30 tons, depending on range.

Ontwerp 172, 174,188,189, 190, 196 :-

Twin engined amphibians similar to Grumman Goose, see image below.

Ontwerp 257, 275 :-

Design ancestors of th F.27 Friendship.



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The remaining images...



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Those ontwerp 160 and 180 designs look a lot like Burnelli lifting-bodies.
I wonder if there was any licence arrangement or similar relation?

(And if not, wasn't Vince Burnelli famous for suing everyone in sight in such cases?)
Those ontwerp 160 and 180 designs look a lot like Burnelli lifting-bodies.
I wonder if there was any licence arrangement or similar relation?

Sorry, the article quoted didn't clarify any further... :(

I found some interesting info about ontwerp 102...


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...and little info for the T.VI and T.VII.


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P.204 was a single engined biplane aircraft developed from P.203
but smaller and probably a more modern design.
In the Trait d’Union #209 (May-June 2003) is presented the Fokker Ontwerp 157, a radial-engined Fokker D.XXIII with Gnôme-Rhône 14M engines for France.


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I found out the time with the Fokker was dating with V.F.W. three Designations, which may perhaps belong more to the Fokker-system.
1) V.F.W. T.291 trainer aircraft from 1970
2) V.F.W. P.301 of 1971 four-engine airliner
3) V.F.W. P.277 attack helicopter

also P.204J was an alternative to the P.240 jet fighter trainer,which the
P.240K became S-14.

P.161 was a two seat recce aircraft,based on C.X with Daimler Benz engine,
project only.

Ontwerp 131 was C.XIII-W
Ontwerp 134 was T.VIII-W
The ever-generous Lark sent me a copy of 'Vliegtuigontowerpen 1920-1944' by Frits Gerdessen. I've done a rough translation of that Luchtvaartkennis article.

Gerdessen discusses overall Fokker designation styles but I'll cover that elsewhere. He identifies an attempt at establishing an Ontwerp designation style in 1920-1925. For the most part, temporary compound letter designations were applied which would be abandoned once 'firmer' project designations were applied. There were also Ontwerpen assigned descriptive names for which no project numbers are know (or, perhaps, were ever assigned).

It was not until July 1934 that another rationalization of Fokker project designations was attempted. This established a series of Ontwerpnummer beginning (as far as it is known) with Ontwerp 101. Unfortunately, there is no information about this first (and many later) projects -- much archival material having been lost during WW2.

Gerdessen notes that not all Fokker designs or types constructed in the 1934-40 period were assigned an Ontwerp number. Examples are the C.XIV-W/C.14W, T.V/T.5 (which went through multiple iterations), S.IX/S.9, and the unbuilt C.XXI/C.12, T.7W, S.VIII/S.8, and S.X/S.10 projects.

I've stayed fairly true to Gerdessen's original presentation with a few exceptions. I have rationalized his Ontwerpen met een NAAM section .. and hopefully simplified it. Under the later Ontwerpen listing, where Gerdessen italicized types actually built, I've place [Project] before the description of designs not built. To aid in internet 'searchability', I've also added 'Ontwerp' before each design number.

When Gerdessen uses pk (paardenkracht or metric horsepower), I have simply substituted hp. Where he uses Indie, I have substituted NEI (for Netherlands East Indies). When Ned. was used, I've spelled out Nederland or Nederlandsche. In a few minor cases, clarifiers have been added [inside square brackets]. For more details on the various Ontwerpen, see Fokker Letter Designations.

A few notes on abbreviations may be useful for non-Dutch readers. Abbreviations used include:

f = florijn or gulden (guilder) currency

IML = Inspectie der Militaire Luchtvaart (Military Aviation Inspectorate)*

KLM = Koninklijke Luchtvaart Maatschappij N.V. (Royal Airlines Company)

KNIL = Koninklijk Nederlandsch-Indisch Leger (Royal Netherlands East Indies Army)

KNILM = Koninklijke Nederlandsch-Indische Luchtvaart Maatschappij, NEI airline

LA/KNIL = Luchtvaartafdeling-Koninklijk Nederlandsch-Indisch Leger (Royal Netherlands East Indies Army Air Force) name prior to March 1939 (see ML/KNIL, below)

LVA = Luchtvaartafdeeling (Army Aviation)

LVA/ML = Luchtvaart Afdeeling/Militaire Luchtvaart (Aviation Department/Military Aviation), full name

MLD = Marine Luchtvaartdienst (Naval Air Service)

ML/KNIL = Militaire Luchtvaart van het Koninklijk Nederlands-Indisch Leger (Royal Netherlands East Indies Army Air Force) name from March 1939 (see LA/KNIL, above)

MvD = Ministrie van Defensie (Dutch Ministry of Defence)

Tek. = Tekening (Drawing)

Only four people are mentioned in the text, named by their initials. A.H.G. Fokker (or just A.H.G.) is, of course, Anton Herman Gerard 'Anthony' Fokker. J.E. v.Tijen refers to Jacobus ('Co') Elisa van Tijen, (onder)directeur of Fokker in 1935-1941 (a Dutch aviation pioneer, 'Co' van Tijen made the first solo flight from the Netherlands to the NEI). A. Plesman refers to Dr. Albert Plesman, the founder and president of KLM. A. Gassner refers to designer, Alfred A. Gassner. [2]


[1] Can also stand for the Inspecteur der Militaire Luchtvaart, head of the IML. The Inspectie der Militaire Luchtvaart was formed in 1935. Its role was to coordinate between the LVA and the LVB (Luchtvaartbedrijf or Technical Branch) - formerly the Technische Dienst van de LVA.

[2] Austrian by birth, American Alfred Gassner designed for Aviatik (B.III), Fokker (F-11A), Junkers (Ju 88), AFF (unbuilt P 7 'Scout', later Saab), Fairchild (Model 91) and Duramold (AT-21A), etc.


Fokker Ontwerpen from ca. 1920-1925

A ---- [Project] "Fokker waarnemer watervliegtuig" ["Fokker observer seaplane"], resembles the C.IV, with a central main float and two outrigger floats.

B ---- [Project] Single-engined low-winged bomber. Resembled a reduced-scale T.III

F.B.I - B.I delivered to the MLD

F.B.II - B.II built but rejected by the MLD

F.G.1 - Fokker Glijdvliegtuig [Fokker Glider], single-seater

F.G.2 - Fokker Glijdvliegtuig [Fokker Glider], single-seater

F.T. --- T.II delivered to the US Navy

F.T.2 - [Project] T.II

F.W. --- [Project] Single-engined floatplane airliner, seems derived from the T.II six passengers. See W.II.

F.W.3 - [Project] T.III delivered to Portugal

V.I ---- Same as the F.II

V.II --- Same as the F.III

V.3 ---- 1920. High-winged fighter. Open cockpits for crew. Was incorrectly thought to be F.I / V.44. Resembled a scaled-down F.IV.

V.W.3 - [Project] 1920. Twin-engined floatplane airliner.

W.II --- [Project] "Avion commercial" [Commercial Aircraft]. Same as the same as F.W.

Named Ontwerpen (no known project numbers)

"Special machine" - No details, Tekening (Drawing) 11206 has been lost

"Fokker Segelflugzeug" - No details, Tekeningen 9542-9544 are lost
["Fokker Segelflugzeug" means 'Fokker Sailplane' (but in German)]

"Fokker vrachtvliegtuig" ["Fokker cargo plane"] - No details, Tekening (Drawing) 10471 has been lost but an unnumbered drawing exists for an aircraft resembling the F.IIa but with dimensions between those of the F.VIIa and F.XIC. Tekeningen 10457, 10458 and 10493 are known from the F.XIV.

"Fokker Bombing Airplane" - Military variant of the Fokker F.IV

"Special seaplane for long distance" - Resembling the Fokker T.II but larger

"Ambulance" - Biplane floatplane derivative F.V as air ambulance

Large three-engine airliner with an engine on the wing, and open cockpits in the nose for three crew members (Tekening 9942)

Three-seat aircraft. Two unnumbered drawings known, Ontwerp 1 and 2. High-winged with open cockpit before the wing. These may be Tekeningen 9837 and 9839 (I and II respectively), according to the drawing program for a three-person aircraft.

1929 Luchtkruiser [Air cruiser], land derivative of the Fokker T.IV

1933 airliner(s) with 2 Gipsy Major engines

1933 2-seat fighter - Enlarged D.XVII, but smaller than the DC.II

1935. Autumn. Transatlantic airliner, three or four-engines. Four-engine mailplane with twin tail booms and the wing of the F.22. The tail booms were behind the innermost engines.

1936 10-passenger airliner with two Bristol Aquila.

1936 "Gesloten verkenner" ["Enclosed explorer"] biplane, no drawing known

1936 "Intercontinental" airliner concept for America, designed at the home of A.H.G. Fokker in Haarlem by him and two of his engineers, for 26, 50, 60, 80 and 100 passengers, crew 10, 14 and 16 people. Weight 74, 110 and 159 tons! Also as a military aircraft.

1937. Aircraft with auxiliary undercarriage. Tek. 45792. Patent A. Plesman.

1939. Motorless test device. Tek. 49171 and 49172




Ontwerp 101 - NO DATA

Ontwerp 102 - [Project] Lockheed Electra military variant, aka CL-2m, as an attack aircraft, bomber, and strategic reconnaissance aircraft.

Ontwerp 103 - NO DATA

In July/August 1934 five designs for a twin-engined airliner were made - Ontwerp 104 to 108 - following a 21 May 1934 request for an alternative to the Douglas DC-2. All proposed aircraft featured a wooden wing, metal fuselage, a retractable landing gear, and room for 16 passengers. The wing had a single main spar. The wingspan was 25.60 m for the Ontwerp 104 and 105; 27.00 m for the Ontwerp 106, 107, and 108. A similar type was designed at De Schelde in 1934/35 - this S.6 was projected with radial motors and Jumo motors.

Ontwerp 104 (A) - [Project] High-winged airliner with 2 x 712 hp Wright Cyclone F2 radial engines.

Ontwerp 105 (A) - [Project] As Ontwerp 104, with Jumo 4 diesel engines.

Ontwerp 106 - [Project] Low-winged with Jumo 4 diesel engines.

Ontwerp 107 - [Project] As Ontwerp 105 but slightly larger. High-winged with Jumo 4 engines.

Ontwerp 108 - [Project] Like Ontwerp 107 but with higher-powered Jumo 4 diesel engines.

Ontwerp 109 - [Project] 1934/35. B.5 three-engined flying boat for the MLD, also projected with twin engines (Ontwerp 109C). This design number was awarded in the summer of 1934, while the application was sent in January 1935. The plant drawings were made in March 1935. So Fokker was informed in time. Although the MLD requested an all-metal airframe, Fokker projected a wooden wing. According to the wishes of the MLD, the flying boat was equipped with Stummeln, as with the [in-service] Dornier Wal. The Ontwerp 109 was also projected with wing floats and with two engines. The MLD chose the Dornier Do 24.

Ontwerp 110 - NO DATA, possibly design for Fokker D.XIX.

Ontwerp 111 - [Project] Twin-engine Luchtkruiser (air cruiser), designed to LVA specification. At the 1934 Paris Salon Ontwerp 111 was offered as the T.5. This type number was re-used, but the final T.5 was a completely different design.

Ontwerp 112 - Low-winged fighter plane for the Colonies. Built as D.21.

Ontwerp 113 - NO DATA

Ontwerp 114 - NO DATA

Ontwerp 115 - [Project] Four-engined bomber with the wing of the F.36, designed for Czechoslovakia, Turkey, and Russia. T.VI.

Ontwerp 116 - [Project] Twin-engined airliner. 712 hp Wright Cylcone. Span 22 m. No drawing known. Presumably 12 passengers.

Ontwerp 117 - [Project] Two-engine airliner. 712 hp Wright Cylcone. Span 25.40 m. No drawing known. Probably 16 passengers.

Ontwerp 118 - [Project] F.VIII with Pratt & Whitney Wasp motors in the wing.

Ontwerp 119 - [Project] Single-engined fighter with 860 hp Hispano-Suiza. No drawing known. Dimensions approximately as the D.21.

Ontwerp 120 - [Project] Single-engine land and seaplane.

Ontwerp 120A - Seaplane for the MLD. C.11W.


Ontwerp 121 - [Project] Twin-engined 'sleeper' airliner for ABA.

Ontwerp 121 was a twin engined mailplane Project of 1935

Ontwerp 122 - [Project] Two-engine bomber for Finland. The Inspecteur der Militaire Luchtvaart [IML, Inspector of Military Aviation] felt that they should cooperate with Finland (entry in his letter of 29 March 1935 to the Ministry of Defense). Finland reviewed this type.

Ontwerp 122A - [Project] Twin-engined night-bomber variant of Ontwerp 122

Ontwerp 123 - [Project] 2-seat fighter for Finland (also offered to Turkey). The IML was also interested, given the mention of Ontwerp 123 in his letter of 29 March 1935 to the MvD.

Ontwerp 124 (A) - [Project] D.XVII/D.XIX variant. Ontwerp 124 with closed cockpit, Ontwerp 124A with open cockpit.

Ontwerp 125 - [Project] Twin-engined naval aircraft, span 24 m, with 815 hp Gn. & Rh. [Gnome-Rhône] 14 Krsd. Alternative for Ontwerp 109. Tekening 35119 is lost.

Ontwerp 126 - [Project] 3-seat low-wing monoplane light bomber/scout. This design was made on the proposal of the IML (also mentioned in the letter of 29 March 1935 to the MvD). An internal document from Fokker complains about the fact that in 1929 the LVA renounced the 3-seat reconnaissance aircraft (C.VIII) but now returned to this rejected concept. Further documentation about the application is no longer available. The price was estimated at around f 100,000.

Ontwerp 127 - [Project] Four-engine airliner with two decks for Europe and the NEI route. F.56. 28-36 passengers. Also projected as troop transport aircraft (70-84 soldiers) and bomber (2000 kg). Mixed construction.


Ontwerp 128 - [Project] Twin-engined airliner, analogous to Lockheed Electra. Low-winged, 10 passengers.

Ontwerp 129 - Twin-engined (fighter) aircraft with twin tail booms. Further developed as G.1.

Ontwerp 130 - [Project] G.1 variant developed as a bomber. Similar in appearance to Bristol Blenheim.

Ontwerp 130 (2nd) - [Project] Twin-engined mail plane. As Ontwerp 122A but smaller.

Ontwerp 131 - [Project] 3-seat maritime recce/torpedo floatplane. C.13W.

Ontwerp 132 - [Project] Four-engine airliner. 20-24 passengers. Span 38 m. Wooden wing and central body, hull front and rear section in monocoque dural construction, tail surfaces of dural, cloth-covered chromolybdenum tube framework.

Ontwerp 133 - [Project] Four-engined all-metal airliner with pressurized cab. 20 passengers. Span 40 m.

Ontwerp 134 - Twin-engined seaplane. T.8W. Reconnaissance/torpedo bomber.


Ontwerp 135 - [Project] All-metal [twin-engined] bomber for the ML/KNIL, G.1 development.

Ontwerp 136 - [Project] Four-engined airliner with pressurized cabin. 24 passengers. Span 38 m.

Ontwerp 137 - [Project] Twin-engined airliner. Mixed construction. Eight passengers.

Ontwerp 138 - [Project] 10 passenger aircraft with two coupled engines and a single propeller.

Ontwerp 139 - [Project] Twin-boomed 10 passenger airliner with twin coupled engines and pusher prop. Nose wheel.

Ontwerp 140 - [Project] Twin-tailed, nine passenger airliner with twin coupled engines and pusher props. Smaller fuselage than Ontwerp 139.

Ontwerp 141 - [Project] Two-engine airliner ("application plane"). Mixed construction. Eight passengers.

Ontwerp 142 - All-metal bomber for the ML/KNIL. T.9.

Ontwerp 143 - [Project] Alternative to Ontwerp 142/T.9.

Ontwerp 144 - [Project] Twin-engined airliner, Lockheed 14 analogue. High, wooden wing, metal fuselage, nose wheel. 10 passengers.

Ontwerp 145 - [Project] Twin-engined airliner, Lockheed 14 analogue. High, wooden wing, metal fuselage, nose wheel. 8 passengers.

Ontwerp 146 - [Project] Three-engined [flying boat] for the MLD. All-metal. Resembled the Dornier Do 24.

Ontwerp 147 - [Project] 4-seat school trainer and air taxi with pusher screw and twin-boom fuselage. Wooden wing.

Ontwerp 148 - [Project] 4-6-seat tourer by J.E. v.Tijen. Various completely different design sketches.

Ontwerp 149 - [Project] All-metal twin-engined training/transitional aircraft (light bomber) for the ML/KNIL.

Ontwerp 150 - [Project] Single-seat fighter with radial engine. D.22

(The Ontwerp 150 and 151 were NEW designs, not development of the D.21.)

Ontwerp 151 - [Project] Single-seat fighter with liquid-cooled engine. D.22

Ontwerp 152 - [Project] Bomber, cross between T.5 and G.1. T.6

Ontwerp 153 - [Project] Twin-engined training/transitional aircraft (light bomber) for the ML/KNIL, in mixed construction. Alternative for [all-metal] Ontwerp 149.

Ontwerp 154 - [Project] Twin-engine jachtkruiser [cruiser fighter], successor to the G.1. Ordered as G.2, later [redesignated] C.16 and CG.2.


Ontwerp 155 - [Project] Twin-engined single-seat fighter with tandem engines, two main wheels and a tailwheel. Built as D.23, with nose wheel.

Ontwerp 156 - [Project] As original tailwheeled Ontwerp 155 but larger.

Ontwerp 157 - [Project] As original tailwheeled Ontwerp 155 with radial engines

Ontwerp 158 - [Project] 4-engined, 24-passenger airliner. Nose wheel. Span 40.00 m

Ontwerp 159 - [Project] Four-engined airliner with pressurized cabin for 48 passengers by day and 24 by night. Nose wheel. Wingspan 44 m.

Ontwerp 160 - [Project] "Intercontinental" airliner with pressurized cabin and accommodations in the wing. Five DB engines and twin tail booms. Span 48 m. Also projected with nine (!) DB motors. Nose wheel.

Ontwerp 160a - [Project] 1938. Very large (six-engine) aircraft including twin-engined 'hulpvliegtuig' functioning as [air-releaseable and attachable] landing gear (patent A. Plesman).

Ontwerp 161 - [Project] C.10 with DB engine and enclosed cockpit. Designed to IML specification but not offered.

Ontwerp 162 - [Project] High-winged 2-seat fighter with retractable landing gear. Designed to IML specification.

Ontwerp 163 - [Project] Strategic reconnaissance/jachtkruiser based on G.1. Designed to IML specification.

Ontwerp 164 - [Project] High-winged 2-seat fighter. Fixed landing gear. Designed to IML specification.

Ontwerp 165 - [Project] No details, Tekening (Drawing) 45017 was lost

Ontwerp 166 - [Project] Military transport based on Fokker T.9 bomber (with a different fuselage)

Ontwerp 167 - [Project] Four-engined airliner with pressurized cabin for 12 passengers.

Ontwerp 168 - [Project] Enlarged T.8W for the MLD, to be designated T.10W if ordered. Derived from the T.8W-C ordered by Finland.


Ontwerp 169 - [Project] Single-engined torpedo-seaplane for the MLD, to be designated T.10W if ordered.

(The MLD would choose either the Ontwerp 168 or the Ontwerp 169, 22 pieces.)

Ontwerp 170 - [Project] Three-engined airliner with pressurized cabin. High-winged with nose wheel undercarriage. 16 passengers. Span 35 m.

Ontwerp 171 - [Project] Large three-engine airliner with pressurized cabin. High-winged with nose wheel undercarriage. 24 passengers. Span 41 m. Also projected as bomber (3,000 kg) and troop transport (36-60 soldiers).

Ontwerp 172 - [Project] Twin-engined flying boat for Nederlandsche Nieuw Guinea Petroleum Maatschappij. Similar to Grumman Goose, but slightly bigger.

Ontwerp 173 - [Project] Large four-engined airliner with pressurized cabin and tandem engine pairs. 24 passengers. Span 41 m.

Ontwerp 174 - [Project] Twin-engined flying boat for Nederlandsche Nieuw Guinea Petroleum Maatschappij. Similar to Ontwerp 172, but slightly larger.

Ontwerp 175 - [Project] Twin-engined, high-winged airliner. Wing and tail surfaces from the T.9. Nose wheel. 18 passengers.

Ontwerp 176 - [Project] Three-engined airliner with pressurized cabin. High wing, nose wheel. Eight passengers.

Ontwerp 177 - [Project] Three-engined airliner. No drawing known. To use the same wing as Ontwerp 175. Apparently a three-engined version of Ontwerp 175.

Ontwerp 178 - [Project] Large four-engined airliner with pressurized cabin and tandem engine pairs. 16 passengers. Nose wheel. Wingspan 34 m.

Ontwerp 179 - [Project] G.1 derivative with fixed observer's position under the fuselage.

Ontwerp 180 - [Project] 1939-1944 Fokker "Intercontinental", Ontwerp 160. Airliner with accommodation in the wing, four engine or five with one between the twin tail booms. Large number of design variations. Wingspan from 48 to 65 m.

In 1941 a real-life test piece of the pressure cabin was built and tested. It then stood on Schiphol long after the war in use as sheep pen. Wind tunnel research was also done.

Ontwerp 181 - [Project] Very large airliner, similar to Ontwerp 180, with accommodation in the wing, three engines and twin tail booms, with nose wheel. Span 48 m. Projected at the request of A.H.G. Fokker. Cockpit between the engines (KLM did not want any ejected oil from a mid-engine on the windshield).

Ontwerp 182 - [Project] Very large airliner, similar to Ontwerp 180, with accommodation in the wing, four push-pull engines and twin tail booms. 26 passengers. Span 48 m. Projected at the request of A.H.G. Fokker.

Ontwerp 183 - [Project] Twin-float transport for Nederlandsche Nieuw Guinea Petroleum Maatschappij. Civil derivative of T.8W. Eight passengers.

Ontwerp 184 - [Project] First "Indische Jachtkruiser" [Indies Cruiser Fighter].

Ontwerp 185 - [Project] Alternative to Ontwerp 184. Sketch design of G.1 variant with defensive gun position on the [conventional] fuselage. Schets [Sketch] 2061 has been lost.

Ontwerp 186 - [Project] Second (chosen) design "Indische Jachtkruiser". G.3.

Ontwerp 187 - [Project] Third design "Indische Jachtkruiser". Slightly enlarged Ontwerp 186.

Ontwerp 188 - [Project] Twin-engined amphibious airliner for NEI (KNILM and Government). Same model as the Ontwerp 172 and Ontwerp 174.

Ontwerp 189 - [Project] Twin-engined amphibious airliner for NEI (KNILM and Government). Slightly smaller than Ontwerp 188.

Ontwerp 190 - [Project] Twin-engined amphibious airliner for NEI (KNILM and Government). Smaller than Ontwerp 189. Quote for six pieces released.

Ontwerp 191 - [Project] Four-engined airliner. High-winged with nose wheel. 24 passengers.

Ontwerp 192 - [Project] Single-engine fighter with Bristol Taurus III or Perseus X. No drawing known, but probably derived (in reduced scale) from Ontwerp 150. Possibly intended as an alternative for the Koolhoven FK.58 with Taurus engine.

Ontwerp 193 - Similar to Ontwerp 191 but twin-engined. Ordered as F.24

Ontwerp 194 - [Project] 1939 single-engined floatplane. Ordered as C.15W.

Ontwerp 195 - [Project] Jachtkruiser, alternative to Ontwerp 154/G.2.

Ontwerp 196 - [Project] Twin-engined amphibian for the KNILM. Larger than Ontwerp 190.

Ontwerp 197 - [Project] Commissioned by A.H.G. [Fokker], a design by A. Gassner for a super/sports and training plane, to build from existing parts. It was in actually a 2-seat D.21 with a Wright Whirlwind engine, usable as a transitional trainer and light reconnaissance aircraft.

Ontwerp 198 - [Project] Jachtkruiser, alternative to Ontwerp 154/G.2.

Ontwerp 199 - [Project] Jachtkruiser, alternative to Ontwerp 154/G.2.


Ontwerp 200 - [Project] Very large four-engined airliner with pressure cabin for 24 passengers. No drawing known. Compared with Ontwerp 180 but lighter.

Ontwerp 201 - [Project] All-metal jachtkruiser for the ML/KNIL. Continuation of Ontwerp 186/G.3.

Ontwerp 202 - NO DATA

Ontwerp 203 - [Project] June/July 1940. Modified D.VII with Argus engine. Intended as a gift for Hermann Göring. Both with tail skid and tail wheel. Span 8.40 m

Ontwerp 204 - [Project] June 1940. Design study. Small one-seat biplane. The same engine as the Ontwerp 203.


The major shipping companies: Stoomvaart Maatschappij Nederland, Rotterdamsche Lloyd, Holland-Amerikca Lijn and Koninklijke Paketvaart Maatschappij were very interested in air transport. The planes were destined for the NEI route. This led to the designs 205 and 210. KLM was also involved.

Ontwerp 205 - [Project] Four-engined airliner with two decks. 40 passengers. Wingspan 49 m or 51.30 m.

Ontwerp 206 - [Project] Four-engined airliner with two decks. 39 passengers. Wingspan 44 m.

Ontwerp 207 - [Project] Four-engined cargo plane for KLM with twin tail booms. Five tons of freight. Wingspan 46.50 m.

Ontwerp 208 - [Project] Twin-engined cargo plane for KLM with twin tail booms. 12 tons of freight. Wingspan 65.7 m.

Ontwerp 209 - [Project] Very large twin-engined aircraft for KLM with twin tail booms. Small middle body. Four cargo containers placed under the wings. Span 65.50 m.

Ontwerp 210 - [Project] Four-engined airliner with two decks. Improved Ontwerp 205. Span 49 m.

After 1945, this [Ontwerpen] series will continue to [number] 387.

Ontwerp 236F - Internal corporate designation for 1949 twin-engined S.13 crew trainer

Not all types and designs constructed in 1934-40 have an Ontwerp number: C.12, C.14W, T.5, T, 7W, S.8, S.9, S.10.

Some seaplanes were projected with a different number of engines: [eg] four-engine F.VII-B.

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Nice and amazing work my dear Apophenia,

I have also this report.
Clear translation and excellent reworked list.
Thanks Apophenia!
Cheers folks ... and many thanks again lark for the scan :)

I've tried to incorporate relevant Ontwerp numbers into the listings of Fokker letter-type designations as well:,30223.0.html

the Fokker Ontwerp 238,239 & 240 were led top develop S.14.

Source : Fokker S-14 Machttrainer
There was two variants to Ontwerp 132,

the first had normal wing and the second had a inverted gull-wing.
Fokker Ontwerp 131 (C.XIII-W)


  • Fokker Ontwerp 131 (C-XIII-W)-.jpg
    Fokker Ontwerp 131 (C-XIII-W)-.jpg
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Fokker Ontwerp 196
(Source for all: Luchtvaartkennis 2015)


  • Fokker Ontwerp 196-.jpg
    Fokker Ontwerp 196-.jpg
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