After launching the -200 with Pratt & Whitney JT9D-7 engines, on August 1, 1972 Boeing announced that it had reached an agreement with General Electric to certify the 747 with CF6-50 series engines to increase the aircraft's market potential.
Tras lanzar o −200 con motores Pratt & Whitney JT9D-7, o 1 de agosto de 1972 Boeing anunciou que chegara a un acordo con General Electric para certificar o 747 cos motores CF6-50 para incrementar o potencial de mercado do avión.