HB-ZKI Robinson R-44 Raven II Heli Sitterdorf AG Sitterdorf (LSZV), Switzerland Derek Heley - 14/04/2015
HB-ZKI Robinson R-44 Raven II Heli Sitterdorf AG Zurich (ZRH / LSZH), Switzerland Jez Poller - 05/05/2016
HB-ZKI Robinson R-44 Raven II Heli Sitterdorf AG Sitterdorf (LSZV), Switzerland Harry Hulshof - 09/08/2010
