Boeing 787 Dreamliner (787-8/9/10)

When Boeing announced the 787 Dreamliner in 2003, the most discussed feature wasn't speed or capacity — it was what the aircraft was made of. Rather than the aluminium that had defined commercial airliners for half a century, Boeing's new wide-body jet would have a fuselage formed primarily from carbon-fibre reinforced polymer composites, with composite materials making up roughly 50 percent of the total airframe weight. The result was lighter and more corrosion-resistant than its predecessors, enabling cabin humidity levels three times higher than a typical aluminium jet — a difference passengers notice after a long flight — along with windows 65 percent larger than those on comparable aircraft, equipped with electrochromic dimming instead of pull-down shades.

The programme grew out of Boeing's cancelled Sonic Cruiser project, which had aimed at near-supersonic cruise speed. When airlines made it clear after the disruptions of the early 2000s that they cared more about fuel efficiency than speed, Boeing pivoted to a design it called the 7E7 — the E originally standing for Efficiency, Environment, Electronic systems, and Extraordinary comfort. That design became the 787, and it promised roughly 20 percent better fuel burn than the Boeing 767 it was intended to replace, achieved through composites, more efficient engines (the GE GEnx-1B and Rolls-Royce Trent 1000), and a more electrical aircraft architecture that eliminated most pneumatic systems in favour of electrically-powered alternatives.

Development was rocky. Supply-chain integration across hundreds of partners proved harder than Boeing had projected, and the programme ran roughly three years behind schedule. The first Dreamliner finally entered service with launch customer All Nippon Airways on 26 October 2011 on a Tokyo–Hong Kong route. Early operations brought new headaches: a battery fire in 2013 grounded the worldwide fleet for three months while Boeing redesigned the lithium-ion battery enclosure. Despite the bumpy start, the aircraft has since proven itself: by early 2026, 1,264 Dreamliners had been delivered to operators worldwide, and the type ranks among Boeing's most commercially successful wide-body programmes.

Three primary variants span the family. The 787-8 is the shortest, with capacity for around 248 passengers in three-class seating and a range of 7,305 nautical miles — the original model, optimised for opening thin long-haul routes. The 787-9 stretches the fuselage by roughly 6 metres, carries up to 296 passengers, and is the most widely operated variant; its longer range (~7,565 nm) makes it the workhorse of transoceanic networks. The 787-10, the longest, trades range (~6,330 nm) for greater capacity (up to 336 seats) and is best suited to dense long-haul or shorter trunk routes. Cabin pressure across all variants is held at a 6,000-foot equivalent altitude — 2,000 feet lower than typical jets — which materially reduces post-flight fatigue.

The Dreamliner's lasting impact is on route economics rather than passenger speed. By making it profitable to fly twin-aisle aircraft on routes that previously couldn't fill a 400-seat 747 or 777, the 787 enabled airlines to launch direct services between secondary city pairs — Boston–Tokyo, Manchester–Boston, Houston–Auckland — that the previous generation of widebodies couldn't justify. Its primary competitor, the Airbus A350, arrived later (2015) with a slightly larger fuselage and a different composite construction approach, and the two have since divided the long-range twin-aisle market between them. ANA remains the largest operator; United Airlines, American Airlines, Japan Airlines, Qatar Airways, and Etihad rank among the heaviest users. Production continues at Boeing's Charleston, South Carolina facility (the Everett, Washington 787 line consolidated to Charleston in 2021), and the type is expected to remain in production into the 2030s.