For the first time in commercial aviation, both engine types will have a standard interface with the aircraft, allowing any 787 to be fitted with either a GE or Rolls-Royce engine at any time as long as the pylon is also modified.
Ámbolos dous tipos de motores terían unha interface estándar no avión, permitindo que calquera 787 fose equipado cun motor GE ou Rolls-Royce en calquera momento mentres se modificase tamén o pío.