Mgbe Airbus na-aga n'ihu na nyocha A3XX ya, Boeing nyere 747 derivative dị ka ihe ọzọ na 2000; ihe dị ntakịrị karịa na -500X na -600X nke gara aga nke na-ejigide 747 n'ozuzu nku nku ma gbakwunye otu akụkụ na mgbọrọgwụ, na-amụba 229 ft (69.8 m). A ga-enye ike site na Engine Alliance GP7172 ma ọ bụ Rolls-Royce Trent 600, nke a na-atụ aro maka 767-400ERX. A ga-eji ụgbọ elu ụgbọ elu ọhụrụ nke dabeere na 777 mee ihe. A ga-agbatị ụgbọ elu 747X iji buru ndị njem 430 ruo 8,700 nmi (10,000 mi, 16,100 km). A ga-agbatị 747X Stretch ruo 263 (80.2 m) ogologo, na-enye ohere ka ọ buru ndị njem 500 ruo 7,800 nmi (9,000 mi, 14,500 km).
Ndị njem 430