Boeing 747-400

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[1] Freighter versions: 1993–2009 Combi versions: 1989–2002
Number built	694[2]
Developed from	Boeing 747-300
Variants	Boeing YAL-1 Boeing 747 Large Cargo Freighter
Developed into	Boeing 747-8

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.