Ko te 747-400 whakaurua he kokopi karaihe hou hangaia mō te rōpū rere o te rua hei utu o te toru, ki te he whakaiti i roto i te maha o te dials, gauges me knobs i 971 ki 365 i roto i te whakamahi o te hiko. Kua whakaurua te momo ano he oko hinu hiku, engines whakahoutia, me te roto hou. Kua whakamahia te tawhiti roa e te tahi mau kamupene rererangi ki te karo i ngā tūnga wahie tuku iho, pērā i Anchorage. Powerplants ngā te Pratt & Whitney P406W2, General Electric CF6-802, me Rolls-Royce RB211-524. rite ki te hua o te whanaketanga 767 overlapping ki te momo o Boeing e wha ōrau whakaritea ki putanga 747 o mua.
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