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.

Van Berkel WA - Dutch VanBerkel WAs

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In service with RNlNAS.

The first production machine was transferred to the RNlNAS in September 1919.
Twenty of the thirty-five aircraft were intended for use in the Netherlands East Indies and received the registrations W.1 to W20.

The planes to be used in the Netherlands were registered W51 to W65. The registrations were not parallel with the construction numbers.
Technical Support is also built five machines from components supplied, these were the records W66 to W70.

The technical service of the RNlNAS had built several complete fuselages, which needed just to be mounted an applied with a serial of the original aircraft. To avoid problems with the license rights, also a few parts of the original device were added.

From October 1924 all remaining aircraft in the Netherlands had their fuselages replaced with a fuselage made of tubular steel instead of wood.
These fuselages were built at the Naval Air Station De Kooy, also the losses were compensated.
The rudder was enlarged to improve some of the water manoeuvrability. Also, the engines were replaced by BMW III engine, the cooler on the wing leading edge was moved to the nose.
The wooden floats were replaced with aluminium ones.

Verkenningsvliegtuig Van Berkel WA (W-3) (1919-1933) in de haven
Van Berkel WA, W-3 taxiing in the harbour.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-5) (1919-1933) met kapotte drijver. Op de achtergrond een jager van de roofdierklasse en Hr.Ms. Serdang
Van Berkel WA, W-5 with defective float; here in dark grey paint scheme.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (1919-1933)
Van Berkel WA [at Beeldbank NIMH[
Verkenningsvliegtuig Van Berkel WA (W-5) (1919-1933) aan boord Hr.Ms. Pelikaan
Van Berkel WA, W-5 aboard Hr.Ms. Pelikaan
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-6) (1919-1933)
Van Berkel WA, W-6.
[Ingesloten foto van BeeldBank NIMH. Klik op de foto voor bestel-informatie]
Verkenningsvliegtuig Van Berkel WA (W-20) (1919-1933) komt aan boord van Hr.Ms. Java
Van Berkel WA, W-20 being hoisted aboard Hr.Ms. Java
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-14) (1919-1933). Schietoefeningen op het eilandje Amsterdam Noord van Tj Priok
Van Berkel WA (W-14) during shooting exercises at the isle Amsterdam  near Tjandjong Priok,
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Bemanning van en belangstellenden uit Atapoepoe (Timor) voor de lichte verkenner op drijvers Van Berkel WA W-8 (1920-1929)
Crew and some public from Atapoepoe (Timor) in front of Van Berkel WA W-8.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-12a) (1919-1933)
Van Berkel WA, W-12a.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

Verkenningsvliegtuig Van Berkel WA (W-57) (1919-1933) met ZKH Prins Hendrik
Van Berkel WA, W57 with HRH Prince Hendrik.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Note the orange ball as national marking.
Verkenningsvliegtuig Van Berkel WA (W-52) (1919-1933). In het Noord-Hollands kanaal
Van Berkel WA, W-52 in the so called Noord-Hollands kanaal.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-67) (1919-1933)
Van Berkel WA, W-67.
This is the Dutch version with a different, smaller radiator on the wing.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA, W-60 (1919-1933)
Van Berkel WA, W-60.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Note the dark grey scheme and the white serial.
Van Berkel WA lichte verkenningsvliegtuigen met drijvers (1919-1933) op het MVK de Mok
Van Berkel WA at naval air station De Mok.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
De Van Berkel WA W-59 (1919-1933) gecrasched in zee
Van Berkel WA, W-59 crashed in sea.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Note the national markings on top of the wing.
Van Berkel WA lichte drijververkenner, regnr W 53 ( 1919-1933)
Van Berkel WA, W53 after being modified with new fuselage and new engine.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-51) (1919-1933). Een vette pit wordt verholpen door Beugeling
Van Berkel WA, W-51. Some engine trouble being repaired by Beugeling.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-53) (1919-1933) met mercedesmotor
Van Berkel WA, W-53 with Mercedes engine
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-66) (1919-1933) op de Mok
Van Berkel WA, W-66 at naval air station De Mok.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig Van Berkel WA (W-70) (1919-1933) landing nabij Hr.Ms. Jacob van Heemskerck
an Berkel WA, W-70 landed near Hr.Ms. Jacob van Heemskerck.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

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