Koolhoven FK 50
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jaap vd laan, e-mail, 21.01.2022 03:40

.. building koolhoven yourself ..from sctatch ,using the original drawings .made by frits himself ,I guess........modelbrouwers.nl/phpBB3/viewtopic.php?f=46&t=50115 ......


jaap vd laan, e-mail, 21.01.2022 03:20

another koolhoven . o at the aviation megastore shop you can buy some lovely great kits of some koolhovens ......again without the ww letters ...............kw.jonkerweb.net/index.php?option=com_content&view=article&id=393:koolhoven-fk-43&catid=57&lang=nl&showall=1&limitstart=&Itemid=495


jaap vd laan, e-mail, 21.01.2022 03:17

more of koolhoven . there is a site with the history of frits koolhoven and his factory ,maybe I can find it again . this is a perfectly safe site ,don't pay attention in case you might get a warning .............links are not allowed , so here is an adress without the letters www.................kw.jonkerweb.net/index.php?option=com_content&view=article&id=630:koolhoven-fk49-uk&catid=90&lang=en&showall=1&limitstart=&Itemid=552


Noname, e-mail, 31.03.2020 10:24

The F.K.50 was designed to meet a requirement from the Swiss


Barry, 21.07.2016 16:59

Designed to meet a requirement from the Swiss airline Swiss Alpar there were only three produced. The one in the photograph is the only FK.50A, and was the one example that lasted the longest. It was sold to Liberian operator Maryland Air Services in 1947 and flew with them until the plane crashed near Monrovia on 6th July 1962.

F.K.50:-

Power plant 2 x 406 h.p Pratt & Whitney Wasp Junior TB radial engines
Accommodation 2 crew and 8 passengers

Span 58'0 3/4" Length 46'11" Gross weight 9,369 lb

Max speed 183 mph


Hans Peter Hartmann, e-mail, 15.03.2016 06:28

As a little boy I managed to get a seat on a Kooloven on a pleasure flight full of children. It was around 1953 when Alpar organized 10-minutes flights around Berne Airport for a children-club called Fip-Fop-Club (founded by Nestlé to entertain kids). What a treat: My first flight ever!


deaftom, e-mail, 09.03.2011 19:25

Frits Koolhoven was a prolific aircraft designer and designed aircraft for companies not only in the Netherlands (Nationale Vliegtuigindustrie and his own company, N.V. Koolhoven Vliegtuigen), but also for Armstrong Whitworth and BAT in Great Britain and, I think, Desoutter in France. I have records of no less than 45 of his designs being built; probably there were even more than that. His "F.K." design numbers went at least as high as F.K.58.


Mordechai Dessaur, e-mail, 03.03.2009 06:45

The first FK-50 flew in 1935 and was mainly used by the Swiss firm Alpar (till 1962!!!!), 3 built,2xP&W Wasp Junior 303kw(406 hp), first built with single fin & rudder, later with twin vertical surfaces, max. speed 295 km/h, 8 pax.
Keep up the good work!


Mordechai Dessaur, e-mail, 03.03.2009 06:45

The first FK-50 flew in 1935 and was mainly used by the Swiss firm Alpar (till 1962!!!!), 3 built,2xP&W Wasp Junior 303kw(406 hp), first built with single fin & rudder, later with twin vertical surfaces, max. speed 295 km/h, 8 pax.
Keep up the good work!




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