twin-rotor helicopter
21CH-46 Sea Knight — Infobox Aircraft name=CH 46 Sea Knight caption=CH 46 Sea Knight type=Cargo helicopter manufacturer= Vertol Aircraft Corp. Boeing Vertol designer= first flight=August 1962 introduction=1964 retired=2004 09 04 (USN) Planned 2014 (USMC)… …
22Eurocopter — Infobox Company company name = Eurocopter S.A.S. company company type = Subsidiary foundation = 1992 location = Marignane, France key people = Lutz Bertling industry = Aerospace products = Helicopters revenue = €3,211 million operating income =… …
23List of rotorcraft — This is a list of rotorcraft, including helicopters, autogyros, rotor kites and convertiplanes. A = Aero = *Aero HC 2 Heli Baby *Aero HC 3 *Aero HC 4 *Aero Z 35 Heli Trainer Aerokopter *Aerokopter ZA 6 Aeronautical Products *Model 3 A 1 Aerospace …
24Eurocopter AS365 Dauphin — SA 365 Dauphin 2 AS365 Dauphin French Navy AS365 F Dauphin rescue helicopter on the deck of the Charles De Gaulle carrier (5 June 2004) …
25Eurocopter Dauphin — Infobox Aircraft name= SA 365 Dauphin 2 AS365 Dauphin 2 caption= French Navy AS365 F Dauphin rescue helicopter on the deck of the Charles De Gaulle carrier (5th June 2004) type= transport/utility helicopter manufacturer= Eurocopter (originally… …
26HAL Dhruv — Dhruv Dhruv helicopter of the Indian Air Force Sarang Helicopter Display Team arriv …
27Kaman Aircraft — is an American aerospace company, with headquarters in Bloomfield, Connecticut. It was founded in 1945 by Charlie Kaman. During the first ten years the company operated exclusively as a designer and manufacturer of several helicopters that set… …
28Bell 222 — Infobox Aircraft name = Bell 222/230 caption = A Bell 222 type = Executive/utility helicopter manufacturer = Bell Helicopter designer = first flight = August 13, 1976 introduced = Bell 222: 1979 Bell 230: 1991 retired = status = primary user =… …
29Sikorsky Aircraft — Infobox Company company name = Sikorsky Aircraft Corporation company vector company type = Manufacturer genre = foundation = 1925 founder = Igor Sikorsky location city = Stratford, Connecticut location country = USA location = origins = key… …
30Coaxial rotors — Kamov Ka 32A 12 Coaxial rotors are a pair of helicopter rotors mounted one above the other on concentric shafts, with the same axis of rotation, but that turn in opposite directions (contra rotation). This configuration is a feature of… …
