The Bell 412 is a utility helicopter manufactured by Bell Helicopter. It is a further development of the Bell 212 model, the major difference being the composite four-blade main rotor. http://en.wikipedia.org/wiki/Bell_412
The Boeing CH-47 Chinook is a versatile, twin-engine, tandem rotor heavy-lift helicopter. Its top speed of 170 knots (196 mph, 315 km/h) was faster than utility and...
The Mil Mi-26 (Russian Миль Ми-26, NATO reporting name 'Halo') is a Soviet/Russian heavy transport helicopter in service in civilian and military roles. It is the biggest and most powerful helicopter ever to have gone into...
The Westland WAH-64 Apache is a licence-built version of the Boeing AH-64D Apache Longbow attack helicopter for the British Army. The first eight helicopters were built by Boeing; the remaining 59 were assembled by Westland Helicopters at Yeovil...
The Sikorsky S-76 Spirit is an American multi-purpose medium-size commercial helicopter. The S-76 is powered by two turboshafts which combine to drive the main and tail rotors, each with four blades. The S-76 landing gear is...