Passage: Ka dib markii ugu horeysay ee 747-100, Boeing horumariyo -100B, miisaanka ugu sareeya ka bixitaanka (MTOW) kala duwanaansho, iyo -100SR (Short Range), oo leh awood rakaab sare. kordhay miisaanka ka bixitaanka ugu badnaan ogolaanaya diyaaradaha si ay u fuliyaan shidaal badan oo ay leeyihiin kala duwan oo dheeraad ah. model -200 raacay in 1971, oo soo bandhigay matoorada awood badan iyo MTOW sare. rakaabka, xamuul iyo isku darka rakaabka-xamuul versions of -200 ayaa la soo saaray. gaaban 747SP (waxqabadka gaarka ah) la kala duwan oo dheeraad ah ayaa sidoo kale la soo saaray, oo galay adeegga 1976. line 747 waxaa sii horumariyey la bilaabay ee 747-300 ee 1980. taxanaha 300 ka soo baxay daraasadaha diyaaradaha Boeing si loo kordhiyo awoodda fadhiga ee 747, inta lagu guda jiro taas oo isbedel sida furayaasha jirka iyo kordhinta dekedda sare ee dhererka oo dhan ee dagaalka ayaa la diiday.
747EUD