The 747-400 ẹkenam a ọhụrụ iko kokpiiti e mere maka a ụgbọ elu ndi oru ngo nke abụọ kama atọ, na a Mbelata na ọnụ ọgụgụ nke dials, gauges na kposara si 971 ka 365 site na ojiji nke ngwá electronic. The ụdị na-nwere ọdụ mmanụ ụgbọala tankị, gbanwetụrụ engines, na a ọhụrụ n'ime ụlọ. The ogologo nso e ji ụfọdụ ụgbọelu na-agafe omenala mmanụ ụgbọala na-akwụsị, dị ka Anchorage. Powerplants agụnye Pratt & Whitney P406W2, General Electric CF6-802, na Rolls-Royce RB211-524. N'ihi na nke 767 overlapping na ụdị mmepe nke Boeing site anọ percent tụnyere gara aga 747 nsụgharị. The 747-400 nwere ihe dị iche iche ime ụlọ deck (dị ka ihe atụ, na-adịghị ọbụna nwere ike ime mgbanwe n'etiti elu-ọsọ ụgbọelu, ma nwere ike na-agbanwe n'etiti elu-ọsọ ụgbọelu na-agba ọsọ n'etiti abụọ Boeing 747-400 na atọ dị iche iche na ụdị (dịdị ka 747-400D na 747-400F).
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