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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.

Airco DeHavilland DH-9

Published: Friday, 05 November 2010 00:00 | Print | | Hits: 11471
Page 2 of 6

In service with LVA and NEIAF.

In service with LVA

A total of ten aircraft were interned during world war one.
At the end of 1918  Plesman requested to establish a separate unit equipped with the Airco DH-9, within the LVA, which was allowed. All aircraft, except one were returned to the RAF in March 1920. The aircraft were not flown back to England, but scrapped at Schiphol. The remaining DH.9, serialled H-433 was purchased and used for some time at Soesterberg as a trainer for pilots of the KNIL.

Rompen van een Fokker C.I en de Airco D.H.9 433.
Fuselages of a Fokker C.I an an Airco D.H.9 433.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 B7620
[Above and below] DH.9 B7620 "A" of RAF No. 211 Sq. at Breskens on june 27 1918.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 B7620
DH.9 met personeel op Soesterberg. Cockpit met 5 man. V.l.n.r. in het vliegtuig: sgt. Kaltofen en lt.vl. Nab, ervoor: vlm. Van Andel, Van der Leeden en Frijns.
DH.9 with LVA personnel at Soesterberg.From left to right sgt. Kaltofen and lt.vl. Nab (both in the aircraft),in front of the aircraft vlm. Van Andel, Van der Leeden and Frijns.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Vooraanzicht DH.9 deH433, ex B7620
Front view of Airco DH.9 de H433, ex B7620 "A" at Soesterberg.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 deH433, ex B7620
Airco DH.9 serial H433, ex B7620 "A" at Soesterberg with orange disc.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 D3271 van RAF No. 218 Sq. te Vlissingen, 26 sept. 1918.
DH.9 D3271 of RAF No. 218 Sq. at Vlissingen, September 26, 1918.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 D7336 van RAF No. 108 Sq. te Zierikzee, 15 sept. 1918.
DH.9 D7336 of RAF No. 108 Sq. at Zierikzee, September 15, 1918.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 D3107
H.9 D3107 "P" in the water near Vlissingen (Middenreduit, Souburg) at September 15, 1918.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
DH.9 C1211 van RAF No. 218 Sq. te Breskens op 29 juni 1918.
DH.9 C1211 of RAF No. 218 Sq. at Breskens, june 29, 1918.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

In service with NEIAF

In May 1919 an order was placed for DH.9 's for the ML-KNIL. There were ten newly built by DeHavilland. The rest were assembled in the Netherlands.
The first twelve aircraft were delivered in 1919, followed by 14 units in 1921 and 10 in 1922.
The devices were all in the standard RFC-painting, with the Dutch registration and markings on the fuselage and wings.

During the period of use some DH-9s were converted for special purposes, such as four ambulance units, e.g. designated H-115A, photo reconnaissance, such as H-120F, H124F and H130F).
There were also a number of DH-9s built. These were fitted with a plywood fuselage and were provided with HL-registrations.
These home-built DH-9s were as equipped with a flat radiator at the front, a fully covered engine, new balanced ailerons and an enlarged tail fin and rudders. The prototype,serialled Hl-137, first flew in 1925.

In 1934, the remaining DH-9s were fitted with new engines, a 465 hp Wright Whirlwind by, these were reserialled HW serials and were used as trainers until 1937.

Verkenningsvliegtuig De Havilland DH.9 , H101 2-persoons van de LA/KNIL, deze toestellen werden in 1919 aangeschaft en bleven tot 1934 uitgerust met Siddeley Puma motor van 230 pk. Nadien hebben ze nog enige jaren gevlogen met een 325 pk Pratt en Withney Wasp motor, Kalidjati, (1919-....) 1920
Two seat scout De Havilland DH.9, serial H101 of NEIAF (ML-KNIL)
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
De omsd2 van Os en van Veen voor een Haviland DH9 van het KNIL, in opleiding tot vlieger te Kalidjati
Van Os and Van Veen in front of a NEIAF DeHavilland DH9 (probably 'home built') at Kalidjati.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
De Havilland DH-9, registratie nummer H-107
DeHavilland DH-9, serial H-107.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Verkenningsvliegtuig De Havilland DH.9 , 2-persoons van de LA/KNIL, deze toestellen werden in 1919 aangeschaft en bleven tot 1934 uitgerust met Siddeley Puma motor van 230 pk. Nadien hebben ze nog enige jaren gevlogen met een 325 pk Pratt en Withney Wasp motor, Kalidjati, (1919-....)
Two seat scout DeHavilland DH.9 of NEIAF (ML-KNIL)
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]