Airbus has taken a novel approach to boosting the useful load of one of its most popular commercial rotorcraft products. Having upgraded and certified its EC145 twin-engine light helicopter with uprated engines and fenestron anti-torque system in 2014, the company is now adding a fifth main rotor blade and is reducing its empty weight, resulting in an increase in maximum takeoff weight. Normally, manufacturers would undertake such an upgrade when sales were flagging, but the H145 family ...

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