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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.

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AVRO 504

Published: Monday, 08 November 2010 15:12 | Print | | Hits: 14370
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In service with LVA and NEIAF.

In service with LVA.

The first AVRO 504A, no RFC 733, landed on March 21, 1915 at St Kruis in Zeeland and was interned as LA-13.
The engine of this aircraft, one of 80 hp Gnome, was replaced in 1917 by a Thulin engine.
In 1918 the serial was changed to A-21. Later, when the aircraft was only used for ground training, the serial was changed in A-1.

The second AVRO, an AVRO 504B with serial number 1001 from RNAS, landed on March 24, 1915 near Kruiningen. This AVRO was also interned and registered with serial LA14.
Of this aircraft the engine was also replaced with a Thulin engine. In 1918 the serial was changed to A-22. Both aircraft were written off in 1919.

Avro 504 nr. 753 (RFC) op Soesterberg.
Avro 504 nr. 753 (RFC) at Soesterberg.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Avro 504 nr. 1001.
Avro 504 nr. 1001.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Nederlandse Avro 504 na een neuslanding.
Dutch Avro 504 on its nose.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Avro 504 op Soesterberg.
Avro 504 at Soesterberg.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Avro 504 met vlieger.
Avro 504 with pilot.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

In service with NEIAF.

Just after the First World War the Dutch East Indies bought several airplanes to set up the new Flight Division of the NEI Army. Besides a number of Airco DH-9s, a number AVRO 504Ks was bought.
The first two Avro 504 arrived in August 1919. In 1922, another twelve aircraft were delivered.

The AVRO 504K was used as training aircraft. Despite a number of accidents, the aircraft did very well.
In 1924 a start was made to built an improved version of the AVRO 504K, initially at Andir, later at Soekamiskin. These AL aircraft had a plywood fuselage and improved fuel tank. The prototype was the LA-1 (later serialled as AL-57).

Late twenties and early thirties was a replacement was necessary and one Fokker S. IV and one Morane-Saulnier AR-35-EP-2 were bought. The AVRO turned out to be at least as good as these both types. So most remaining units were given a facelift in 1931; an Armstrong Siddeley Mongoose engine was built in to replace the Clerget rotary engine. These were re-serialled "AM" with the original aircraftnumber. In 1938, the last Avro 504K went out of service.

AVRO 504K van LA/KNIL
AVRO 504K of NEIAF(LA/KNIL).
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
AVRO 504K van LA/KNIL
AVRO 504K of NEIAF(LA/KNIL).
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
AVRO 504K na een vlieongeval met OMSD2 v. Os
AVRO 504K after an accident with OMSD2 v. Os.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
AVRO 504K van LA/KNIL
AVRO 504K fo NEIAF (LA/KNIL).
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

AVRO 504K na een vlieongeval met C.C. Kupfer Lt van LA/KNIL.
AVRO 504K after an accident with C.C. Kupfer Lt of LA/KNIL.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]