Cierva

AAI AEG Aeritalia Aermacchi Aero Aeronca AeroVironment Agusta Agusta-Westland Aichi AIDC Airbus Helicopters Airbus Military Airco Airspeed Air Tractor Albatros GmbH Alekseyev Alenia Amiot AMX International ANF Les Mureaux Antonov Arado Armstrong Whitworth Arsenal Atlantic Aircraft Atlas Aircraft Avia Aviatik Avro Avro Canada Aérospatiale Aérospatiale-MBB BAC Bachem BAe Basler Beagle Aircraft Beechcraft Bell Bell-Boeing Bell Helicopter Beriev Berliner-Joyce Blackburn Bloch Blohm und Voss Blériot Blériot-SPAD Boeing Boeing-Sikorsky Boeing-Stearman Boeing Vertol Bombardier Boulton Paul Breda Breguet Brewster Bristol Britten-Norman Budd Bücker CAMS Can-Car/Gregor Canadair Canadian Aeroplanes Canadian Vickers Caproni CASA Caudron Cessna Changhe Chengdu Cierva Cirrus Citroën Commonwealth Conair Consolidated Convair - Consolidated Vultee CRDA - CANT Curtiss Dassault Dassault-Breguet Dassault-Breguet/Dornier Dassault Aviation De Havilland De Havilland Canada Denel Dewoitine DFS Diamond DINFIA Dornier Douglas Dätwyler EADS EKW (K+W) Embraer ENAER English Electric Enstrom Eurocopter Eurofighter EWR Fairchild Fairchild-Republic Fairchild Canada Fairey Farman FFA FFVS Fiat Fieseler Fisher Fleet Flettner FMA Focke-Achgelis Focke-Wulf Fokker (All) Fokker (P-B) Folland Fouga Fuji GAF General Aircraft Limited General Atomics General Dynamics General Dynamics-Grumman Gloster Goodyear Gotha Gourdou-Leseurre Great Lakes Grob Grumman Guimbal Guizhou Gulfstream Aerospace HAL Hall Handley Page Hanriot Hanriot-Dupont Hansa-Brandenburg Harbin Hawker Hawker-Siddeley Heinkel Helio Henschel HESA Hiller Hispano Hongdu Hughes Hunting Percival Hurel-Dubois I.A.I. I.A.R. Ikarus Ilyushin Jodel Junkers KAI Kaman Kamov Kawanishi Kawasaki Kayaba Kazan Klemm Kokusai Koolhoven Kugisho Kyushu Latécoère Lavotchkin Leduc Let Letord Letov Levasseur LFG Roland Lioré et Olivier Lisunov Lockheed Lockheed-Martin Loening Loire Loire-Nieuport M.B.B. Macchi Mansyu Marinens F. Martin Martin-Baker Martinsyde Max Holste McDonnell McDonnell-Douglas MD Helicopter Meridionali Messerschmitt Mikoyan Mikoyan-Gurevich Mil Miles Mitsubishi Morane-Saulnier Mudry Myasishchev Nakajima NAMC Nanchang Naval Aircraft Factory Neiva NHIndustries Nieuport Nieuport-Delage Noorduyn Nord North American North American-Rockwell Northrop Northrop Grumman On Mark P.Z.L. PAC Panavia Partenavia Percival Petlyakov Pfalz Piaggio Piasecki Pilatus Piper Polikarpov Potez R.A.F. Reggiane Reims Aviation Renard Republic Repülőgépgyár Rikugun Robin Rockwell Rogozarski Ryan S.A.I. Saab Sagem Salmson Saunders-Roe Savoia-Marchetti Schreck Schweizer Scottish Aviation SEPECAT Seversky Shaanxi Shenyang ShinMaywa Short SIAI-Marchetti Siebel Siemens-Schuckert Sikorsky SIPA Slingsby Aviation SNCAC SNECMA Socata Soko Sopwith SPAD Spartan Stampe Stinson Sud-Aviation Sud-Est Sud-Ouest Sukhoï Supermarine Tachikawa Taylorcraft Thomas-Morse Tomashevich Tupolev Udet Utva ValMet Vertol Vickers Viking VL Voisin Vought Vought (L.T.V.) Vultee Waco Watanabe Westland Xian Yakovlev Yokosuka Zeppelin-Staaken Zlín