Boeing 747-400

The Boeing 747-400 is a jet airliner, a variant of the Boeing 747. Compared to the original 747, the 747-400 features improvements such as more powerful engines, new avionics, a new interior, and a longer-span wing with winglets. The 747-400 first flew in 1988 and entered service in 1989. It was produced until 2009 in six different variants: 747-400, 747-400F, 747-400M, 747-400D, 747-400ER, and 747-400ERF.

Boeing 747-400
A Boeing 747-400 of British Airways
Role	Wide-body airliner
National origin	United States
Manufacturer	Boeing
First flight	April 29, 1988
Introduction	February 9, 1989, with Northwest Airlines
Status	In service, mainly for cargo use
Primary users	Atlas Air Lufthansa UPS Airlines Cargolux
Produced	Passenger versions: 1988–2005 Freighter versions: 1993–2009 Combi versions: 1989–2002
Number built	694
Developed from	Boeing 747-300
Variants	Boeing YAL-1 Boeing 747 Large Cargo Freighter
Developed into	Boeing 747-8

747 of UPS

Atlas Air 747 at Dubai

Cargolux 747 at Chicago O'hare

Lufthansa 747 and Airbus A380

Delta 747

Boeing 747-400 Media

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  The 747-400 kept the 747 general configuration, with the 747-300 stretched upper deck and additional winglets

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  The computerized glass cockpit of the Boeing 747-400ER

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  The added canted winglet

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  An aerial view of Boeing Field, one of the sites used for 747-400 flight testing.

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  Northwest Airlines placed the 747-400 into service in February 1989.

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  Qantas placed the Boeing 747-400ER into service in November 2002

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  The wing is similar to previous variants, extended and with winglets

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  Triple-slotted trailing edge flaps

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  Boeing 747-400 of Singapore Airlines, the type's first international operator

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  Cargolux 747-400F (Freighter) with its nose door open.