HB-IKO Comte AC.4 Gentleman Private Zurich (ZRH / LSZH), Switzerland Roger Richards - 23/08/1991
HB-IKO Comte AC.4 Gentleman Swissair (SR / SWR) Zurich (ZRH / LSZH), Switzerland Brian Bickers - 08/1990
HB-IKO Comte AC.4 Gentleman Swissair (SR / SWR) Bern Belp (BRN / LSZB), Switzerland Ray Barber - 08/09/1981
