Boeing 747-400
Boeing · jet, 4 engines · ICAO B744
The Boeing 747-400 has the 3rd-highest maximum takeoff weight of the 352 types on this site with a published figure, and the most US flight-plan operations in FY2024 among the 28 four-engine types. It also has the 2nd-lowest wingspan-to-length ratio in Design Group V (23 types). Among the 28 four-engine types (the input for its Approach Category), it has the 2nd-highest FAA reference approach speed. The runner-up in US flight-plan operations, the Boeing 747-8, trails by 31.1%.
Airport design codes
- V
Design Group V. Set by wingspan and tail height alike.
- D
Approach Category D. From its FAA reference approach speed of 157 kt (band 141 to 165 kt).
Gear and weights
| Cockpit to main gear | 94.4 ft | 28.8 m |
|---|---|---|
| Span-to-length ratio | 0.84 | |
| Max. takeoff weight | 910,000 lb | 412,769 kg |
| Max. landing weight | 630,000 lb | 285,763 kg |
| Main gear code | 2D/2D2 | |
| Taxiway Design Group | 5 | |
| ICAO wake category | Heavy |
Where it sits
The 747-400 also has the 2nd-largest fleet on the US register among the 20 four-engine types with a registration count. Its tail height stops 1.7 ft short of the 66 ft line where Design Group VI begins. By length it falls between the Airbus A380-800 and the Boeing 747-100.
Main gear 40.7 ft wide (12.4 m), 21% of the span; wheelbase 87.9 ft (26.8 m), 38% of the length.
US records: 103,516 US flight-plan operations in FY2024; 125 on the US register.
One of 5 variants on the Boeing 747 page.
Closest in size on this site
- Boeing 747-400
- Boeing 747-100
- Boeing 747-300
- Boeing 747-200
Source: FAA Aircraft Characteristics Database, October 2024 release. How we measure.