Corporation Jovanovich JOV-3 Hélicoptères Guimbal Guimbal Cabri G2 Helowerks Helowerks HX-1 Wasp Higgins Higgins EB-1 Hillberg Helicopters Hillberg EH1-01 RotorMouse Hillberg Turbine Exec Hiller Aircraft Corporation Hiller UH-12/OH-23 Hiller HJ-1/YH-32 Hiller X-18 Hiller Ten99 Hiller VZ-1 Pawnee Hiller ROE Rotorcycle Hindustan Aeronautics Limited HAL Dhruv HAL Light Utility Helicopter HAL Light Combat Helicopter HAL Cheetah HAL Chetak HAL Rudra Hoppi-copter Pentecost HX-1 Hoppi-Copter Hughes Helicopters AH-64 Apache OH-6 Cayuse TH-55 Osage Hughes XH-17 Flying Crane Hughes-McDonnell XV-9 "Hot Cycle" Hungaro Copter Limited Hungaro Copter I Industria Aeronautică Română IAR 316 IAR 330 Innovator Technologies Innovator Mosquito Air Innovator Mosquito XE Irkut Irkut A-002 Italian Rotors Industries IRI T22B IRI T250A K KAI Surion Kaman Aircraft Kaman K 225 Kaman HH-43 Kaman K-16 Kaman K-1125 "Huskie III" Kaman SH-2 Kaman KSA-100 SAVER Kaman K1200 K-Max Kamov Kamov Ka-8 Kamov Ka-10 Kamov Ka-15 Kamov Ka-18 Kamov Ka-20 Kamov Ka-22 Kamov Ka-25 Kamov Ka-26 Kamov Ka-27/28/29/32 Kamov Ka-31 Kamov Ka-37 Kamov Ka-40 Kamov Ka-50/52 Kamov Ka-60 Kamov Ka-90 Kamov Ka-92 Kamov V-100 Kamov Ka-115 Kamov Ka-118 Kamov Ka-126 Kamov Ka-137 Kamov Ka-226 Kawasaki Heavy Industries Kawasaki KH-4 Kawasaki BK 117 Kawasaki OH-1 Kayaba Industry Kayaba Ka-1 Kazan Helicopter Plant Kazan Ansat Kellett Kellett K-2/3/4 Kellett KD-1 Kellett R-8 Kellett R-10 Kharkiv Aviation Institute KhAI-24 Kinney Kinney HRH Konner Srl Konner K1 L Lada Land Lada Land VM-01 LAE Helicopters Cyprus LAE Ultrasport 496T Landgraf Helicopter Company Landgraf H-2 Léger Léger machine Leineweber Leineweber 1921 Helicopter Little Wing Autogyros, Inc. Little Wing LW-1 Little Wing Roto-Pup Lockheed Lockheed AH-56 Cheyenne Lockheed CL-475 Lockheed XH-51 Lockheed Martin VH-71 Kestrel M Manzolini Manzolini Libellula Marenco Swisshelicopter SKYe SH09 MATRA MATRA-Cantinieau MC-101 McCulloch Autogyro McCulloch J-2 McDonnell McDonnell XV-1 McDonnell Douglas MH-6 Little Bird MD 500 MD 500 Defender MD 600 MD Explorer Messerschmitt-Bölkow-Blohm Bölkow Bo 46 Bölkow Bo 102 Heli Trainer Bölkow Bo 103 MBB Bo 105 MBB/Kawasaki BK 117 Midwest Engineering & Design Midwest Hornet Midwest Zodiac Talon-Turbine Mil Helicopters Mil Mi-1 Mil Mi-2 Mil Mi-4 Mil Mi-6 Mil V-7 Mil Mi-8 Mil Mi-10 Mil Mi-12 Mil Mi-14 Mil V-16 Mil Mi-17 Mil Mi-24/25/35 Mil Mi-26 Mil Mi-28 Mil Mi-30 Mil Mi-34 Mil Mi-36 Mil Mi-38 Mil Mi-52 Mil Mi-X1 (Mi-Kh1) Millennium Helicopter Millennium MH-1 Mitsubishi Heavy Industries Mitsubishi MH2000 N Nagler Nagler NH-160 NASA/JPL Mars Helicopter Ingenuity Nederlandse Helikopter Industrie NHI H-3 Kolibrie NHIndustries NHI NH90 Niki Rotor Aviation Niki 2004 Niki Lightning Niki