Is 757 bigger than 777?

And there's a good reason for that: the 757 has a cabin that's 11 feet 6 inches wide, the 767 is 15 feet 6 inches, and the much larger 777 is around 19 feet 6 inches, depending on the model. That means the 757 is 42% skinnier. The Boeing 777 is the longest and heaviest of them all.



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Boeing's bet that the larger size would be popular just didn't work out. Apart from a few niche areas, airlines were just not interested in the extra capacity, given the reduction in range (and higher operating cost).

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Boeing's 777-9 is the world's largest and longest twin-engine commercial aircraft. Once it goes into service, the 251-foot-long aircraft will ferry up to 425 passengers on long-haul flights—spanning up to 7,285 nautical miles—around the world.

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The Boeing 757 is a mid-size, narrow-body twin-engine jet airliner that was designed and built by Boeing Commercial Airplanes. It is the manufacturer's largest single-aisle passenger aircraft and was produced from 1981 to 2004.

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A pilot's perspective Smith added that the 757 could get off the ground at a lower speed and use less runway than the 737, making it easier to operate for pilots flying out of smaller airports. Furthermore, the addition of winglets decreased the issue of wake turbulence that earlier 757s were known to generate.

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The 757-200 forms the backbone of the fleet, and the investment in Airbus aircraft confirms the A321XLR as the replacement product. Operators have been reluctant to let go of their ageing 757 fleets in recent years due to the lack of a replacement that could match its performance, range and capacity.

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The type never really caught on as no other airlines purchased the type. Today, the 757M is still a very rare aircraft. At one time Pemco World Air Services, Vision Techology Systems and Precision Conversions all offered the 757.

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“The Boeing 777's unique combination of superior range, outstanding fuel efficiency and passenger-preferred comfort has created long-range success for carriers around the world. And the 777-300ER now gives operators a perfect opportunity to extend that success.

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The Boeing 777 series is larger than the 787 and thus can carry more passengers. The 787-10 has a higher capacity than the smaller 777-200 series. However, it falls short of the larger 777-300 models by 66 passengers in a typical two-class configuration. Of course, the exact capacity varies from airline to airline.

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The aircraft is highly popular with airlines (more than 1,500 passenger and freighter variants have been delivered) because it can carry a large number of passengers — and cargo — long distances using only two engines.

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Customer interest in new 757s continued to decline, and in 2003, a renewed sales campaign centered on the 757-300 and 757-200PF yielded only five new orders. In October 2003, following Continental Airlines' decision to switch its remaining 757-300 orders to the 737-800, Boeing announced the end of 757 production.

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The 757 features a very efficient supercritical wing, which, during certain brief periods of flight during takeoff or landing, can produce a wake vortex stronger than that of a much larger Boeing 747 jumbo jet. Therefore, the [required] separation is longer than [for] other narrow-bodied airliners.

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Why does 757 have bad wake turbulence? While tests on the 757 are under way, those in the industry speculate that the aircraft's unique wing design may be the biggest reason it produces so much more turbulence than other planes its size.

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As of August 2023, the Triple Seven has been involved in 35 aviation accidents and incidents, including 8 hull losses (three ground casualties) with 541 fatalities (one ground casualty).

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The 777-9 measures 251 ft 8 in (76.72 m) in length, compared with 242 ft 1 in (73.78 m) for the A350-1000. With its folding wingtips, its wingspan is much larger too – at 238 ft 10 in (72.80 m), it has more than 20 feet on the A350.

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For one, the Airbus A380 has almost double the space onboard compared to the Boeing 777 series, thanks to its second level. This means the airline can afford to be a little more abundant with its first class and business class offerings onboard the A380 compared to the Triple Seven.

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