From Wings of Linen

The manufacturing firm W.G. Armstrong, Whitworth & Co, Ltd. of Newcastle-on-Tyne hired Dutch designer Frederick Koolhoven as their chief designer,. This led to a pair of robust, underappreciated two-seater F.K. aeroplane designs. The aircraft division of the company did not last long after the war, closing in late 1919.[1][2]

Aircraft from the Great War or shortly thereafter include:


  1. The FK1 was a prototype 1914 biplane.[1]
  2. The FK7 was mid-1916 prototype that led to the F.K.8.[3]
  3. The FK10 was a quadriplane two-seater. Four prototypes were built in 1917, but it was not selected for production.[4]
  4. As if four wings were not enough, the FK11 took an FK10 fuselage and mounted fifteen narrow-chord staggered wings.[5]
  5. The FK12 was an awkward-looking triplane multiseat escort that was abandoned due to performance problems.[6]
  6. The FM4 was a bulky prototype single-seat fighter from autumn 1918 that was not produced.[7]
  7. The Ara was an elegant fighter that did not fly until 1919. It was doomed by the failure of the A.B.C. Dragonfly radial engine.[8]
  1. 1.0 1.1 Bruce'69, p.10.
  2. Bruce'69, p.29.
  3. Bruce'97, p.1.
  4. Bruce'69, pp.21-24.
  5. Bruce'69, p.24.
  6. Bruce'69, pp.25-26.
  7. Bruce'69, pp.26-28.
  8. Bruce'69, pp.28-29.
  • J.M. Bruce. British Aeroplanes 1914-18. Great Britain: Funk & Wagnalls, 1957, 1969. ISBN 0370000382
  • J.M. Bruce, Windsock Datafile 64: AW FK.8. Great Britain: Albatros Publications, Ltd., 1997. ISBN 0-948414-96-0
  • W.M. Lamberton and E.F. Cheesman, Reconnaissance & Bomber Aircraft of the 1914-1918 War. Great Britain: Harleyford Publications Ltd., 1962. ISBN 9780900435027