Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Ci gaban 747SP ya samo asali ne daga buƙatun haɗin gwiwa tsakanin Pan American World Airways da Iran Air, waɗanda ke neman jirgin sama mai ƙarfin gaske tare da isasshen kewayon da zai iya rufe hanyoyin Pan Am na New York zuwa Gabas ta Tsakiya da kuma hanyar Iran Air da aka tsara Tehran zuwa New York. Hanyar Tehran-New York, lokacin da aka kaddamar da ita, ita ce mafi tsawo ba tare da tsayawa ba a duniya. 747SP yana da 48 ƙafa 4 inci (14.73 m) ya fi guntu fiye da 747-100. An kawar da sassan fuselage a gaba da bayan fuka-fuki, kuma an sake tsara sashin tsakiya na fuselage don dacewa da sassan fuselage. SP ta flaps amfani da wani Saukake guda-ramin sanyi. The 747SP, idan aka kwatanta da baya bambance-bambancen karatu, yana da tapering na aft sama fuselage cikin empennage, a biyu-hinged rudder, kuma ya fi tsayi a tsaye da kuma kwance stabilizers. An samar da wutar lantarki ta hanyar Pratt & Whitney JT9D-7 ((A / F / J / FW) ko Rolls-Royce RB211-524 engines. An ba da 747SP takardar shaidar kari a ranar 4 ga Fabrairu, 1976 kuma ya shiga sabis tare da kwastomomi masu ƙaddamarwa Pan Am da Iran Air a wannan shekarar. Jirgin sama da aka zaba ta hanyar kamfanonin jiragen sama da ke son yin amfani da manyan filayen jiragen sama tare da gajeren hanyoyi. An gina jimillar 747SPs 45, tare da 747SP na 44 da aka kawo a ranar 30 ga Agusta, 1982. A 1987, Boeing ya sake buɗe layin samar da 747SP bayan shekaru biyar don gina 747SP na ƙarshe don odar gwamnatin Hadaddiyar Daular Larabawa. Baya ga amfani da jirgin sama, an gyara 747SP guda ɗaya don gwajin NASA / Cibiyar Aerospace ta Jamus SOFIA. Iran Air shine mai aiki na karshe na irin wannan; na karshe na 747-SP (EP-IAC) ya kamata a yi ritaya a watan Yunin 2016.  Tambaya: Waɗanne kamfanonin jiragen sama biyu ne suka nemi jirgin 747SP?
Pan American World Airways da Iran Air