The Yorkshire Air Ambulance s current fleet which will be retired in 2023 and replaced by new state of the art £15m aircraft THE Yorkshire Air Ambulance has invested more than £15 million in two new state-of-the-art helicopters to provide the best care possible to people in the county. The YAA has ordered the two new helicopters to replace its current fleet which came into use in 2016, with the new vehicles due to arrive in 2023. The life-saving charity said the new models - new five-bladed Airbus H145 D3 helicopters - provide advanced, state of the art technology to give the best operational and medical service possible.