Dutch Modelling and Aviation

In Memoriam

Klaas Willem Jonker
(Wilko)
† April 30, 2018

On Monday, April 30, 2018, Wilko Jonker passed away after a long illness at the age of 58. He leaves behind a wife and two children. The Dutch military aviation and plastic model building were his hobby and on this website he has shared all the knowledge he has gathered about it over the many years. His hobby was able to distract him from the raging disease in his body until the last week of his life. The contacts with other hobbyists were a major support for him.

Fokker S.14 Machtrainer

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History

After World War 2 the N.I.V. (Nederlands Instituut voor Vliegtuigontwikkeling (Dutch Institute for aircraft development) ) was founded. Ono of the first orders was to design a jet trainer, which resulted in the Fokker S.14. This was the first pure jet trainer of the world. Jet trainers at that time were two seat versions of existing aircraft. One of the arguments was that the gap between the propeller trainer and the jet was considered to large. The S.14 was an easy to fly and stable aircraft, with low maintenance costs.
May 19, 1951 the prototype, registered K-1 was ready for its first flight. Fokker chief test pilot, Gerben Sonderman, noticed some problems with the landing gear and made a safe precaution landing. After a repair of several hours the aircraft was finished and the testing continued, now the landing gear would lower, so a safe belly landing was made.

July 115, 1951 the prototype was on display at the Paris air show.
It was equipped with a Rolls Royce Derwent V rated 1575 kg thrust. The RNlAF ordered 20 examples in 1952. There was also foreign interest from Sweden and Fairchild obtained licence rights, fifty examples were to be delivered to Brazil, forty-five of this order would be built by Fokker - Brazil. Alas the USA MDAP program became a problem, because of the mass deliveries of the Lockheed T-33.
because also the Fouga Magister was released, the chances for the Fokker S.14 as advanced trainer became almost zero.
It was decided to to equip the prototype with the more powerful Rolls Royce Nene 3 rated 2315 kg thrust. This improved the performance of the aircraft and thus the aircraft was more suitable for the advanced training.
This version, also known as Machtrainer II, made its maiden flight on October 23, 1953. No orders followed the release and the aircraft entered service August 21, 1961 as PH-XIV of the Nationaal Lucht- en Ruimtevaart Laboratorium. Later the aircraft was preserved and donated to the Aviodome museum at Schiphol [nowadays Aviodrome at Lelystad air port}

 

Technical information
Dimensions:
Length: 13,3 m Wingspan: 12 m
Height: 4,7 m Wing area: - m2
Weights:
Empty weight: 3765 kg Max. start weight: 5350 kg
Performances:
Max. speed: 730 km/hr Climbing speed: - m/min
Cruising speed: - km/hr    
Range: 900 km Service ceiling: 11 125 m
Miscellaneous:
Engine type: One Rolls Royce Derwent 8 rated 1588 kg thrust
Crew: one instructor and one pupil
Armament: None

 


The production version for the RNlAF was equipped with a more powerful Rolls Royce Derwent VIII rated 1588 kg thrust. The first production aircraft made its maiden flight on January 15, 1955.

The first S-14, registered L-1, was delivered August 20, 1955 at air base Twenthe. The last two examples, L-14 and L-20 arrived November 14, 1955.
Fokker S.14, L-4, was shipped to the USA in October 1955 for several display flights. Alas test pilot Gerben Sonderman crashed October 20, 1955 at the airfield of the Fairchild Aircraft Corporation, Hagerstown and was killed.

May 28, 1964 L-7 crashed near Voorne-Putten, killing both pilots commodore J.C.J. Vermeulen (C-Depot Mat Klu) and lt.kol J. Vonk.
The remaining aircraft were used without further problems.
Noteworthy is the participation of an air race, because the fact that Louis Bleriot crossed the Canal for the first time on July 25, 1909.
This air race, called Arch-to-Arc race was on July 13 tiull July 24 1959.
Fokker L-8 participated in this race with Hugenholz, director of the Zandvoort racing circuit and pilot Jan Moll, Fokker test pilot. Their twenty-third time was 61 minutes and 25 seconds.

D 1988046

Fokker S.14, L-17 photographed at the Static Show, at the Open Day 75 Years Dutch Air Force, June 1988 at airbase Deelen.

D 1988047

Fokker S.14, L-17 photographed at the Static Show, at the Open Day 75 Years Dutch Air Force, June 1988 at airbase Deelen.

 


Fokker S.14

 

 
   
   

 


Serials
Serials
Constr. nr.
Constr. nr.
Date in service
Date in service
Date out of service
Date out of service
Notes
notes
L-1 7346 11-08-1955 15-05-1962 Gate guard Air base Twenthe till 30-06-1964;
Scrapped 1964.
L-2 7347 11-08-1955 24-05-1963 Scrapped 1963.
L-3 7348 30-08-1955 17-07-1963 Scrapped 1963.
L-4 7349  - - Used for display tour US before delivery and crashed October 20, 1955 near Hagerstown.
L-5 7350 01-10-1955 28-05-1962 Withdrawn from use and scrapped
L-6 7351 24-10-1955 06-09-1963 To US for display tour and returned to the Netherlands on November 22, 1956.
Scrapped.
L-7 7352 22-10-1955 28-05-1964 Crash near Heenvliet.
Scrapped.
L-8 7353 31-12-1955 05-04-1963 Scrapped.
L-9 7354 17-01-1956 07-07-1963 Scrapped.
L-10 7355 30-12-1955 17-10-1963 Scrapped.
L-11 7356 18-01-1956 07-07-1964 Used as instructional airframe at Anthonie Fokkerschool.
In storage at Gilze-Rijen.
To Militaire Luchtvaart museum at Soesterberg
L-12 7357 18-01-1956 07-07-1964 Scrapped.
L-13 7358 11-06-1956 07-01-1965 Scrapped.
L-14 7359 14-11-1956 19-05-1965 To Scouting group;
June 1970 to Technical Highschool at Haarlem as L-20, later L-37.
February 1976 to air base Deelen for fire practice.
Scrapped.
L-15 7360 13-12-1956 07-01-1965 Scrapped.
L-16 7361 14-11-1957 07-07-1964 Scrapped.
L-17 7362 14-11-1956 05-09-1967 Stored at Gilze-Rijen. May 1968 to Military Aviation Museum at Soesterberg.
1973 in storage at Gilze-Rijen at Woensdrecht.
During the eighties and nineties on show at Autotron.
To SKHV for restoration in flying condition, but proofed to be in poor condition, see www.skhv.nl
L-18 7363 14-11-1956  21-07-1966 Stored at Soesterberg
From 1967 and on gate guard at Fokker Ypenburg.
Scrapped in 1994.
L-19 7364 14-11-1956  05-09-1667 Scrapped
L-20 7365 14-11-1956  14-07-1966 Used for fire practice at air base Eindhoven.
Scrapped

 


1/72nd Scale

Kits

  • CMK
    • Kit 50048: A resin kit.
      • At the site of Dutch IPMS a review of this model can be found.
  • Alpha
    • Kit XX: A vacu formed model.

At IPMS.nl one can find a walk-aound of the Fokker S.14 machtrainer.

 

Fokker S 14 Mach Trainer AKleijn
a model of a Fokker S.14, built by Adri Kleijn.

 

Modelling add-on

  • --
    • Set --: --

Decals

  • --
    • Set --: --

1/48th Scale

Kits

  • Geromy
    • Kit 48-001: a resin kit

Modelling add-on

  • --
    • Set --: --

Decals

  • --
    • Set --: --

 


SchemeColour nameFS numberBS-numberHumbrolXtraColorVallejo Model ColorVallejo Model Air
Delivery scheme #1 Overall bare metal              
yellow trainer markings       154   70893  
Blue "cheat line"              
 
Standard Scheme #2 Overall bare metal              
Day glo markings       209   70.733  
Blue Cheat line              

Check www.paint4models.com for an extensive conversion table with lots of colour and paint systems.

Fokker S14 1-SMALL
Colour scheme Fokker S.14 Machtrainer; yellow bands of three feet broad on wings and fuselage; roundels on fuselage 680 mm diameter, on wings 1590 mm diameter.
Fokker S14 2-SMALL
Second colour scheme Fokker S.14 Machtrainer: dayglow panels 1200 mm broad; roundels on wings 900 mm diameter; roundels on fuselage 750 mm diameter.

 


Literature.

Dutch Military Aviation 1945-1978 Paul A. Jackson Pag. 69; 81 - 82 1978 Uitgever: Midland Countries Publications, Leicester
Nederlandse Militaire Luchtvaart in Beeld. deel 2 Hugo Hooftman Pag. 80 - 81 1978 Uitgever: Europese Bibliotheek, Zaltbommel
Fokker, Bouwer aan de wereldluchtvaart Thijs Postma Pag. 140 1979 Uitgever: Unieboek b.v., Houten
Fokker-vliegtuigen voor de Militaire Luchtvaart   Pag. 24 1982  
De Nederlandse Vliegtuigen: Alle vliegtuigen ooit in Nederland ontworpen en gebouwd Theo Wesselink & Thijs Postma Pag. 129 1982 Uitgever: Romen Luchtvaart, Haarlem
Modelbouw in Plastic jaargang 12, nummer 2: Fokker S-14 MACH TRAINER Schönfeld, Maarten Pag. 45 - 48 1983 Uitgever: I.P.M.S. Nederland, Nederland
Van Luchtvaartafdeling tot Koninklijke Luchtmacht 75 jaar Militaire Luchtvaart in Nederland Koos van de Berg Pag. 40 1987 Uitgever: Rebo Produkties, Sassenheim
KLu Vliegtuigen: De vliegtuigen van de Koninklijke Luchtmacht vanaf 1913 Wim Schoenmaker & Thijs Postma Pag. 111 1987 Uitgeverij De Alk, Alkmaar
Luchtvaartwereld; 5e jaargang nummer 6: De Fokker S-14 Machtrainer. Wim Schoenmaker Pag. 182 - 187 1988 Uitgeverij Ten Brink, Meppel
Squadrons van de Koninklijke Luchtmacht (derde herzien druk) Willem Helfferich Pag. 31 - 32 1994 Uitgevers Wyt, Rotterdam
Camouflage en Kentekens J.Greuter e.a.   1997 Bonneville – Bergen (NH)
Fokker S.14 machtrainer N. Braas & W. Th. Vredeling   2009 Geromy – Maarssen

 

Websites.

 

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