This aircraft was designed by the Dutch designer Frits Koolhoven working for the British Aerial Transport Company. It was built for the RAF in 1917, s/n F1654. It was shown at the ELTA (Eerste Luchtverkeer Tentoonstelling Amsterdam, First Air Transport Exhibition Amsterdam) in the Netherlands in 1919, it was registered as K-123. It returned to England where the registration G-EACN was reserved, but not taken up. Being the only surviving aircraft designed by Koolhoven, it has been meticulous restored between 1991 and 2003.