Koolhoven FK-33
FK 33 D-1250 crashed at Waalhoven
FK 33 D-1250 flying for the Hamburger Aero GmbH
FK 33 H-N
FK 33 H-N during testing
FK 33 H-NADD
FK 33 undercarriage details
FK 33 front view
FK 33 D-1250
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Type

Werk.Nr.

Registration

History

FK-33

 

D-1250 (H-N, H-NADD)

Construction started end of 1924, first flight in June 1925. Registration H-N, from 8th of October H-NADD.

Entered service with the KLM end of 1925.Used on the AmsterdamLondon and ParisMalmö routes. Did not performe well and KLM sold it to Aero GmbH, a Hamburger company working with advertising. Taken over 3rd of May. Registered in October as D-1250. Emergency landing 25th of July 1928. Repaired, crashed again in Bremen, repaired again and flown to Waaalhaven in the Netherlands and made a crash landing. Sold in June to Bäumer Aero GmbH. At the same time changed engines to Junkers L5, the middle engine got a 3-bladed prop. Instead of the 4-bladed. In September the the lights were changed to loudspeakers. Taken over by the Firma Michelsen & Spiesen in July 1931. The engines were dismantled and sold. In February 1932 stricken from the german register. Probably scrapped

 

Engine

3 Armstrong Siddeley Puma 6-cyl. Water-cooled in-line , each 230 hp

3 Junkers L5

Dimensions

Length 17.45 m, span 24.85 m, height 4.75 m, wingarea 100 m2

Weights

Empty 3000 kg, load 2000 kg, max. flying weight 6000 kg

 

Performance

Max. speed at 2500 m 190 km/h, cruising speed at 2500 m 175 km/h, range 1050 km, endurance 6 h

 

 

Source: Flugzeug Extra Nr 1 ( Hazewinkel and Frost)