The BO105 is a light weight twin engine, multi-purpose helicopter with five seats. The helicopter has a four hingless main rotor and two semi-rigid tail rotor system ...
The Bell Helicopter Textron model 412 is a twin engine, fifteen place helicopter with a single four bladed main rotor system and a tail rotor provide directional control ...
Model 212 is a fifteen place twin engine helicopter with a two blade semi-rigid main rotor and a two blade tail rotor that provides directional control ...