Jumbo Passenger Jets
Boeing 777-9
ICAO: B779
Overview
The Boeing 747-400 was a major upgrade of the original 747, introduced to improve efficiency and range. Entering service in 1989, it became a cornerstone of intercontinental travel. The aircraft combined updated avionics with aerodynamic refinements.
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Specifications
Units
- Engine
- 4 × P&W4000 / GE CF6 / RR RB211
- Engine type
- Turbofan
- Thrust
- 4 × 63,300 lbf · 282 kN
- Avionics
- Honeywell Avionics FMC , Rockwell-Collins CMC
- Wing tips
- Canted winglets
- Seats
- 416 economy · 524 business · 416 first
- Crew
- —
- Cabin width
- 20 ft 1 in · 6.13 m
- Cabin height
- 8 ft 4 in · 2.54 m
- Cabin length
- 187 ft 0 in · 57.00 m
- Exterior length
- 231 ft 10 in · 70.66 m
- Tail height
- 63 ft 8 in · 19.41 m
- Fuselage diameter
- 21 ft 4 in · 6.49 m
- Wing span
- 212 ft 11 in · 64.90 m
- Baggage volume
- 5,650 ft³ · 160.0 m³
- Gross weight
- —
- Empty weight
- —
- Max takeoff weight
- 875,000 lb · 397,000 kg
- Max landing weight
- 652,000 lb · 295,500 kg
- Max payload
- 157,500 lb · 71,500 kg
- Fuel capacity
- 57,300 gal · 216,800 L · 173,500 kg (Jet A)
- Max cruise speed
- 504 kt · 580 mph · 933 km/h
- Maximum speed
- —
- Cruise speed
- —
- Approach speed
- 146 kt · 168 mph · 270 km/h
- Range
- 7,285 nm · 8,380 mi · 13,490 km
- Fuel burn
- 0.13 nm/gal · 0.06 km/L
- Ceiling
- 45,000 ft · 13,700 m
- Rate of climb
- 1,500 ft/min · 8 m/s
- Takeoff distance
- 9,250 ft · 2,820 m
- Landing distance
- 6,250 ft · 1,910 m
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Operational Context
Boeing 747-400 — long-range widebody jetliner
The 747-400 first flew in 1988 and entered airline service in 1989. It introduced winglets, a two-crew glass cockpit, and more efficient engines compared with earlier 747 variants. The aircraft retained the four-engine configuration and distinctive upper deck.
Powered by four high-bypass turbofan engines producing approximately 60,000 pounds of thrust (267 kN) each depending on engine type, the 747-400 cruises at around 490 knots (905 km/h). Maximum takeoff weight exceeds 875,000 pounds (397,000 kg). Passenger capacity typically ranges from 350 to over 450.
The 747-400 became one of the most successful jumbo jet variants. It operated with airlines across the globe for decades. Many aircraft continue in cargo service following passenger retirement.
Sources and references used for research and fact-checking.