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In Memoriam

Klaas Willem Jonker
(Wilko)
† April 30, 2018

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

This website will be maintained by different people for as long as possible, so that other enthusiasts can continue to benefit from extensive content.

Koolhoven FK.43

History

The Koolhoven FK-43 was a small four seat airplane, which was designed for the American multimillionaire Van Lear Black. Koolhoven. It was based on the FK-41.
In 1930 Koolhoven received the assignment and started the construction of the aircraft. In August, however, Van Lear Black fell overboard from his yacht and drowned.

Because the French firm Baxter Aviation was interested to build the device under license, the prototype was completed and made its first flight early 1931.
In 1932 the aircraft was transferred to France to serve as a production model for Socieéte Anonyme Francais d'Aviation (SAF) as Baxter was now called.
However, SAFA went bankrupt that same year and so there was never a FK-43 built in France.

Koolhoven had already managed to interest the KLM and one example was built.
This was equipped with dual controls and also had a different undercarriage, a tail wheel and a bigger fin and other nose  compared with the prototype.
In 1933 an order for another three aircraft was placed, which were delivered at the end of that year. They were used as air taxis. Later Koolhoven obtained another order for three aircraft which were delivered in early 1935

In 1938, two more aircraft, PH-ASN and PH-ASO were delivered to replace depreciation after accidents.

Further, a example was built in 1932 for De Levers Soap Company and in 1936 one aircraft for C. Misset in Doetinchem.
This unit PH-MCD (c / n 4310) was equipped with flaps and a fully floating wing.

 

Technical information
Dimensions:
Length: 8,3 m Wingspan: 10,9 m
Height: - m Wing area: - m2
Weights:
Empty weight: - kg Max. start weight: 1140 kg
Performances:
Max. speed: 190 km/hr Climbing speed: - m/min
Cruising speed: - km/hr    
Range: - km Service ceiling: - m
Miscellaneous:
Engine type: One De Havilland Gipsy Major I rated 130 hp
Crew: -
Armament: None

 


During the mobilization three KLM aircraft were claimed and used as liaison and training aircraft.

Koolhoven FK.43 965, ex PH-ASN (KLM). Verbindings- en lesvliegtuig Jachtgroep Luchtverdediging (II-1 LvR) in 1939-40.
Koolhoven FK.43 965, ex PH-ASN (KLM). Liaison and trainer of Jachtgroep Luchtverdediging (II-1 LvR) in 1939-40.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

In September 1939, the PH-CMD was sought and received registration 960.

On October 17, followed the ASN-PH and PH-ASO who received 965 and 966, respectively.

 


Serial Construction nr. Date in service Date out of service Notes
960 4310 09-1939 10-05-1940

Was PH-CMD owned by drukkerij Misset - Doetinchem.
Used as liaison aircraft by V-2 LvR;

Destroyed bombardment of air base Ypenburg

965 4311 17-10-1939   Was PH-ASN "Nonvlinder";
Used as training aircraft by II-1 LvR, based at Schiphol.
Escaped to England, 15-05-1940.
Used by the RAF as a liaison aircraft, MX459
After the war, returned to the Netherlands as PH-TCN, by 17-06-1946 to KLM as PH-NAU.
In June 1949 at National Flight Academy and eventually written off in September and demolished.
966 4312 17-10-1939 10-05-1940 Was PH-ASO "Olietor";
Used as training aircraft by II-1 LvR, based at Schiphol.
Destroyed, bombardment of Schiphol.

 


1/72nd Scale

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1/48th Scale

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Possibly overall grey, but uncertain.

Schema Kleurnaam FS-nummer BS-nummer Humbrol XtraColor WEM Vallejo Model Color Vallejo Model Air
Standaard #1 Overall Grey xx xx xx xx xx xx

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

 


Literature.

Van Brik tot Starfighter H. Hooftman   1965 La Rivière en Voorhoeve - Zwolle
Koolhoven Nederlandse vliegtuigbouwer in de schaduw van Fokker Theo Wesselink & Thijs Postma Pag. 67 - 70 1981 Uitgever: Unieboek b.v., Houten
De Nederlandse Vliegtuigen: Alle vliegtuigen ooit in Nederland ontworpen en gebouwd Theo Wesselink & Thijs Postma Pag. 79 1982 Uitgever: Romen Luchtvaart, Haarlem
KLu Vliegtuigen: De vliegtuigen van de Koninklijke Luchtmacht vanaf 1913 Wim Schoenmaker & Thijs Postma Pag. 76 1987 Uitgeverij De Alk, Alkmaar
Camouflage en Kentekens J.Greuter e.a.   1997 Bonneville – Bergen (NH)

 

Websites.

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