Gyroplane Laboratoire Breguet G.11E Breguet-Richet Gyroplane Bristol Aeroplane Company Bristol Sycamore Bristol Belvedere Buhl Aircraft Company Buhl A-1 Autogyro C Calumet Motorsports Calumet Snobird Explorer Canadian Home Rotors Canadian Home Rotors Safari Celier Aviation Celier Kiss Celier Xenon 2 Celier Xenon 4 Cessna Cessna CH-1 Changhe Aircraft Industries Corporation Changhe Z11 WZ-10 Chu Chu Hummingbird Chu CJC-3 Cicaré Helicópteros S.A. Cicaré CK.1 Cicaré CH-7 Cicaré CH-14 Cierva Autogiro Company Cierva C.1 Cierva C.2 Cierva C.3 Cierva C.4 Cierva C.6 Cierva C.8 Cierva C.9 Cierva C.12 Cierva C.17 Cierva C.19 Cierva C.24 Cierva C.29 Cierva C.30A Cierva C.40 Cierva W.5 Cierva W.9 Cierva W.11 Air Horse Cierva CR Twin Continental Copters El Tomcat Cornu Cornu helicopter (1907) Council for Scientific and Industrial Research CSIR Experimental Autogyro II Craft Aerotech Craft Aerotech 200 D Denel Aerospace Systems Denel Oryx Denel XH-1 Alpha Denel XTP-1 Beta Denel Rooivalk DF Helicopters DF334 Doak Doak VZ-4 Doman Doman LZ-5 Dornier Flugzeugwerke Dornier Do 132 Dornier Do 32 DTA sarl DTA J-RO Dynali Helicopter Dynali H2S Dynali H3 Easyflyer E Eagle Eagle Helicycle Eagle's Perch Eagle's Perch EDM Aerotec EDM Aerotec CoAX 2D/2R ELA Aviación ELA 07 ELA 09 Junior ELA 10 Eclipse Engineering System Engineering System Gen H-4 Enstrom Enstrom F-28 / 280 Enstrom 480 Eurocopter Group Eurocopter UH-72 Lakota Eurocopter BK-117 Eurocopter EC 130 Eurocopter EC 135 Eurocopter EC 145 Eurocopter EC 155 Eurocopter EC 175 Eurocopter EC 225 Eurocopter EC 635 Eurocopter EC 725 Eurocopter Colibri Eurocopter Cougar Eurocopter Dauphin Eurocopter Ecureuil Eurocopter Fennec Eurocopter Panther Eurocopter Super Puma Eurocopter Tiger Eurocopter X3 F Fairchild Hiller Fairchild Hiller FH-1100 Fairey Aviation Gyrodyne Jet Gyrodyne Rotodyne Fairey Ultra-light Helicopter Farrington Aircraft Farrington Twinstar Farrington 18A Fiat Fiat 7002 Filper Filper Beta 200 Firestone Aircraft Company Firestone 45 Flettner Flettner Fl 184 Flettner Fl 185 Flettner Fl 265 Flettner Fl 282 Florine Florine Helicopter No.3 Focke-Achgelis Focke-Achgelis Fa 223 Focke-Wulf Focke-Wulf Fw 61 Freewind Aviation Freewind Bumble B G Gadfly Aircraft Gadfly HDW.1 Gazda Gazda Helicospeeder GEN Corporation GEN H-4 German Gyro Safety Aviation German Gyro Matto Gluhareff Gluhareff MEG-1X Gluhareff MEG-2X Gluhareff MEG-3X Gluhareff EMG-300 Groen Brothers Aviation Groen Hawk H4 Guépard II Team Guépard II XJ01 Gyrodyne Company of America Gyrodyne DSN DASH Gyrodyne RON Rotorcycle H Hafner Hafner A.R.III Gyroplane Hafner Rotabuggy Harbin Aircraft Manufacturing Corporation Harbin Z-5 Harbin Z-9 Harbin Z-19 Heli-Sport Heli-Sport CH-7 Angel Heli-Sport CH77 Ranabot Helicopter Engineering Research