The AW101 (EH101), developed jointly by Agusta of Italy and GKN Westland Helicopters, combines military and civil variants in a single integrated program with an optional rear loading ramp and full ice protection system. The AW101 (EH101) was in Full Production in each Italy and the UK with launch orders for over 80 aircraft. The helicopter was said by the manufacturer to have been the only new Medium Lift Helicopter that's in full production and offered in four variants.

The AW101 (EH101) is powered by{three engine, that give superior, one-engine inoperative performance over twin-engine designs, giving it a reassuring safety advantage. Additionally several crucial systems are duplicated or triplicated giving the EH101 an outsized level of system redundancy and safety margin, one thing that is particularly necessary when operating in hostile environments.