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2.1 (ultra) long-haul

(Ultra) Long-haul aircraft capable of flying over 10,000 km are the workhorses of global connectivity, often referred to as Ultra-Long-Haul (ULH) aircraft. These planes are engineered to stay airborne for 14 to 19 hours, crossing entire oceans and continents without refueling.

Key Characteristics of Modern Long-Haul Aircraft
To achieve these extreme ranges, modern aircraft rely on several technological pillars among others:
● Advanced Materials: Older planes were made mostly of aluminum. Modern jets like the A350 and 787 use over 50% composite materials, which are lighter and more resistant to fatigue and corrosion.
● Engine Efficiency: High-bypass turbofan engines, such as the Rolls-Royce Trent XWB or the GE9X, provide massive thrust while burning significantly less fuel per passenger than previous generations.
● Passenger Wellness: Staying in a tube for 19 hours is hard on the body. Modern aircraft feature lower cabin altitudes (simulating 6,000 ft instead of 8,000 ft), higher humidity to prevent dehydration, and LED "mood lighting" to regulate circadian rhythms and reduce jet lag.