Finally, in 1975, General Electric began discussions with major airlines with a view to fitting the new and vastly quieter Franco-American CFM56 engine to both DC-8s and 707s.
Finalmente, en 1975 General Electric comezou a negociar coas grandes aeroliñas para intentar instalar o novo e máis silencioso motor CFM56 tanto no DC-8 como no 707.