In order to comply with U.S. regulations relating to local content (based primarily on the value of individual components of the aircraft), engineering changes were required—notably, the SA365's original Turbomeca Arriel engines were replaced with LTS101-750B-2 powerplants, which at the time were required to be American.
Co obxectivo de cumprir coas regulacións estadounidenses relacionadas co contido local, baseadas principalmente no valor dos compoñentes individuais da aeronave, precisáronse cambios, destacando a substitución dos motores Turbomeca Arriel do SA365 orixinal por LTS101-750B-2, que no seu momento tiñan que ser estadounidenses.