On August 31, 1978, Eastern Air Lines and British Airways became the first carriers to publicly commit to the 7N7 when they announced launch orders totaling 40 aircraft for the 7N7-200 version.
O 31 de agosto de 1978 Eastern Air Lines e British Airways convertéronse nas primeiras aeroliñas en comprometerse publicamente co 7N7, cando anunciaron un pedido de 40 avións da versión 7N7-200.