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Hoenningstad Type 5A Finnmark
Introduction
Browsing lately W. Green´s / G. Pollinger´s Aircraft of the World 1965 [1]  I once again came across the Hoenningstad Finnmark 5A flying boat (see picture 1 right). This time I decided to search for more information and put it on my website. It fits well in my type collection, being quite obscure and having that mysterious look like the Lockkeed Lodestar and the Swearingen Metro for example.

History
The Hoenningstad 5A Finnmark  amphibian flying boat was designed by Birger Honningstad and built by the Norsk Flyindustri A.S. near Oslo, Norway. The prototype was first flown on September 17, 1949. No other aircraft of this type was built.

The original sponsons with retractable combined wheel and ski undercarriage were later replaced by fixed outrigger floats and the Finnmark was operated as a pure flying boat.

According to [1] The Finnmark in 1964/65 was still owned by A.S. Norronafly.

References: [1], [2], [3]

Specification
Accomodation : Three cabins. 2 crew and up to 12 passengers. Baggage compartment in the nose , toilett or another baggage compartment in the rear.

Powerplant: Two 600 h.p.Pratt& Whitney R-1340 Wasp 9-cylinder radial engines.

More data see [3] and [4]

Landing Gear: Sponsons  housing a retractable combined wheel and ski undercarriage. Detailed description of landing gear designed and built by Dowty Equipment Ltd. see [5] and [6]

References
   
[1] Green, William & Gerald Pollinger: The Aircraft of the World.
London: Macdonald, 1965. 3rd edition (first published 1953)
[2] Bridgman, Leonard: Jane´s All the World´s Aircraft 1949-50 London: Samson Low & Manston , 1949
  (first descriptionn of project, 3-view drawing)
[3] Bridgman, Leonard: Jane´s All the World´s Aircraft 1950-51 London: Samson Low & Manston , 1951
  (Photographand  3-view drawing)
[4] Bridgman, Leonard: Jane´s All the World´s Aircraft 1952-53 London: Samson Low & Manston , 1952
  (another photograph and  3-view drawing)
[5] FLIGHT, 2 January 1953 p.- 12 (Flight Global Com)
[6] FLIGHT, Jnauary 17th, 19646 (Flight Global Com)
Picture 1 :Hoenningstad Finnmark 5A with fixed outrigger floats which replaced the original hull sponsons  (© Aircraft of the World).
 
More pictures

http://www.aviastar.org/pictures/norway/honningstad_5a.jpg

http://www.photoreflex.net/images/8rceyn9w7fvwxg8abr0k.jpg
 
http://i347.photobucket.com/albums/p456/Sundland/Honningstad5AFlyingBoat.jpg?t=1228986237
 
 
 

Started :   02. 11. 2010  Revised :  Author: C.J.K.