See what passengers can expect onboard Boeing's upcoming 777X plane as it inches closer to certification

Taylor Rains,Pete SymeJul 30, 2024, 02:33 IST

Boeing's new 777X widebody offers a suite of cabin comforts, like dimmable windows, sunset mood lighting, and a system to minimize turbulence.Pete Syme/Business Insider<ul class="summary-list"><li>After years of delays, Boeing's upcoming 777X began certification flight testing in mid-July.</li><li>The design boasts a suite of cabin comforts, like bigger windows and reduced feelings of turbulence.</li></ul>Boeing may be <a target="_blank" class href="https://www.businessinsider.com/boeing-737-max-plane-safety-faa-production-timeline-2024-6">entangled in its 737 Max fiasco</a>, but it's earning some wins with its upcoming new flagship widebody, the 777X.The aircraft, which is <a target="_blank" class href="https://www.businessinsider.com/why-the-new-boeing-777x-needs-folding-wingtips-2022-1">based on the classic 777 and will come in two passenger variants</a> started certification flight testing in mid-July.It is the next step in clearing Boeing's new plane for passenger flights after <a target="_blank" class href="https://www.businessinsider.com/boeing-777x-why-so-important-delays-future-airlines-2024-7">nearly five years of delays and more than $1 billion in abnormal expenses</a>."The certification flight testing will continue validating the airplane's safety, reliability, and performance," a Boeing spokesperson told Business Insider. "We appreciate our regulator's rigorous oversight."Boeing expects the plane to enter service in 2025, but two major customers have said t<a target="_blank" class href="https://www.businessinsider.com/qatar-airways-ceo-boeing-777x-delays-cry-over-spilled-milk-2024-7">hey expect more delays</a>, possibly to 2026. The delays have caused problems for aircraft operators because they're still flying older, less efficient planes as they wait for the 777X.Airlines are eager to replace aging, old-generation widebodies. The 777X, which <a target="_blank" class href="https://www.businessinsider.com/boeing-777x-compared-airbus-a350-differences-widebody-which-better-2024-3">competes with the rival Airbus A350,</a> boasts an increased range, capacity, and efficiency compared to its predecessors.The jet's immense size — particularly its wider frame — is one of its <a target="_blank" class href="https://www.businessinsider.com/new-boeing-flagship-777x-see-potential-cargo-private-jet-realms-2022-1">best-selling characteristics </a>gives operators some wiggle room regarding the cabin layout.In July, Boeing showed what passengers can expect onboard, from bigger windows and cabins to mood lighting that resembles the northern lights.

Like its predecessor, the 777X can accommodate up to 10 seats per row in economy.

The Boeing 777X cabin mockup on display at Aircraft Interiors Expo in 2022.Georg Wendt/picture alliance via Getty Images

The economy cabin mockup on display featured 18-inch seats, but airlines can customize how they configure the plane.

Inside Boeing's demonstration 777X cabin, with an example of how economy seats could look. Airlines can custom-fit the cabin with their own seats as well.Taylor Rains/Business Insider

Coach can include regular and premium economy. Up front, airlines can install their unique business and first-class seats.

An interior view of the First Class Suite inside an Emirates' Boeing 777.Christian Charisius/picture alliance via Getty Images

Beyond seating, the 777X's design flexibility also includes two ceiling options for operators.

The ceiling differences were seen in the display. The screen showed what "A" would look like, while the economy mockup demonstrated the "B" option, with the center ceiling having overhead bins.Pete Syme/Business Insider

The ceiling complements the 777X's interior lines with curves that Boeing has added to create more sense of spaciousness.

Boeing designed the plane to appear as spacious as possible, with the help of arched ceilings. Pete Syme/Business Insider

Boeing has created bigger windows that are higher on the fuselage.

The size difference between the 777X and A350 windows.Taylor Rains/Business Insider

Further, the windows can be dimmable.

Carriers can opt for a window shade or a dimmer.Pete Syme/Business Insider

Travelers shouldn't have an issue finding overhead bin space, even if they're last to board.

The 777X overhead bins carry twice as much luggage as the preceeding design.Pete Syme/Business Insider

Considering the 777X will be a long-haul workhorse, mood lighting was a point of focus.

The northern lights and starry sky.Pete Syme/Business Insider

We saw several different scenes, including a starry night sky, a sunset, and the northern lights.

The sunset lighting option.Pete Syme/Business Insider

Several passenger enhancements on the 777X are not visible to the human eye, like minimizing noise and the feeling of turbulence.

The Boeing 777X on display at the Wings Airshow in India in 2024.Taylor Rains/Business Insider

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