What is the difference between 777 31H and 777-300?

The 777-31H is a standard Boeing 777-300 manufactured for Emirates (customer code 1H). The 777-31H(ER) is a Boeing 777-300ER (Extended Range) again for Emirates. Compared to the standard 777-300, the 777-300ER has: A longer range due to the extra fuel it can carry (145538 kg compared to 135880 kg for the -300 baseline)



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The 777-200 carries 312 passengers with a range up to 5,120 nautical miles (9,480 km). The 777-300 carries 388 passengers with a range up to 5,845 nautical miles (10,820 km). The 777-200ER (Extended Range) carries 314 passengers with a range up to 7,510 nautical miles (13,900 km).

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The Boeing 777–300 was released after the 777–200ER variant. Now with the era of quad-jets coming to an end, airlines were looking for airliners that could replace the range, without a sacrifice in capacity. The -300 sacrificed range for capacity, which made the 777–200ER a better replacement for a340's and 747's.

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Both aircraft are popular choices for long- haul flights, but they have distinct differences in terms of size, range, fuel efficiency, and passenger capacity. The Airbus A330 is known for its versatility and cost-effectiveness, while the Boeing 777 is renowned for its larger size and longer range.

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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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Row 16 offers the best legroom due to being situated at the front by the exit, but passengers should be aware of its lack of windows. Economy class on American's 777-300ERs spans from row 20 to row 44.

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All Nippon Airways let Boeing use the airline's newest Boeing 777-300ER as a flying testbed. Equipped with General Electric GE90-115B engines, the 777 is an excellent yardstick for noise testing because it is already the quietest airplane in its class.

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What makes the plane so expensive? The 777-300ER can carry 365 passengers compared with the 787-9's capacity of 280. The GE engines on the 777 model develop 62% more thrust than the 787's two engines. The plane is also longer than the Dreamliner, has a greater wingspan and a greater wing area, and is taller.

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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 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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