| Boeing 747-400 | |
|---|---|
 | |
| A Boeing 747-400 ofBritish Airways | |
| Role | Wide-body airliner |
| National origin | United States |
| Manufacturer | Boeing |
| First flight | April 29, 1988 |
| Introduction | February 9, 1989, withNorthwest Airlines |
| Status | In service, mainly for cargo use |
| Primary users | Atlas Air
|
| Produced |
|
| Number built | 694[2] |
| Developed from | Boeing 747-300 |
| Variants |
|
| Developed into | Boeing 747-8 |
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TheBoeing 747-400 is a jet airliner, a variant of theBoeing 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.