The MD Helicopters MD 500 series is anamerican family of light utility civilian and military helicopters. The MD 500 originated as the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach.
The Mi-17 is one of the most popular medium transport helicopter on the world. As its ancestor, the Mi-8, it is mostly used in the former soviet bloc but it is also current in many asian, african and european country.
The Colibri EC-120B is a light single-engine helicopter which can carry up to 4 passengers in addition to the pilot. The design of the cabin/luggage hold assembly makes it particularly suitable for widely different types of civilian and parapublic missions.
The Ka-26, designed at the beginning of the sixties, is built for maximum simplicity and versatility as a "lifting system" consisting of the powerplant, contra-rotating rotor assembly, cabin, landing gear and twin endplate fin tail unit.