What is the cabin altitude of a 777?

The 777's cabin altitude is 2430 meter (8000 ft) when it's cruising at max altitude. Wolfram Alpha tells us that a cubic meter of air weighs 0.96 kg at that pressure. DimensionInfo shows that the 300ER is 73.9 m long and 5.86 m wide. So that's about 1900 kg of air for the cylinder.



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Discussion. The Cabin Altitude of a pressurised aircraft is normally maintained at and altitude of 8,000 ft or less as a compromise between the physiological needs of the crew and passengers and the structural limitations of the aircraft. At 8,000 ft the use of supplemental oxygen is not required.

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Based on that knowledge, the 787 is pressurized to a maximum cabin altitude of 6,000 feet. In cooperation with Denmark Technical University, Boeing challenged the assumption that simply increasing humidity would alleviate complaints about dryness on airplanes.

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The pressurisation system of all series of 737 ensures that the cabin altitude does not climb above approx 8,000ft in normal operation.

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The G650 boasts the lowest cabin altitude pressurized to 3,000 ft, which is twice as low as a commercial aircraft, allowing passengers to arrive refreshed and less fatigued. It also features sixteen panoramic windows that fill the wider cabin with an abundance of natural light.

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How high can you fly without a pressurized cabin? Most planes flying today use a cabin pressure control system that ensures safe and normal breathing for everyone onboard during flight. The general rule is that planes should have cabin pressurization when they go above 10,000 to 14,000 feet.

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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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According to Boeing's data, the 777-9 has a total length of 251 feet 9 inches (76.72 meters). The 747-8 is just a bit smaller at 250 feet 2 inches (76.3 meters). The 777-9 is the longest commercial aircraft ever built.

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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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Both have the same type rating so system wise they're pretty much the same; a pilot who enjoys the 787 systems would feel the same about a 777 (give or take minor difference). Flying wise not to sure! I think the 787 is a lot smoother to handle and the 777 is a bit longer. But it all comes down to personal preference.

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The Boeing 777X is a larger aircraft For twins, Boeing will dominate in terms of capacity. The larger 777-9 offers a typical two-class capacity of 426 seats; this compares with 369 for the A350-1000. The 777-8 will be in a similar league as the A350-1000, with a capacity of around 390.

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Currently, the title of the highest-flying private jet is held by the Gulfstream G650 and Bombardier Global Express aircraft, according to Stratosjets. Even ultra-light private jets such as the Embraer Phenom 100EV or HondaJet Elite can operate at altitudes higher than 40,000 feet.

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A private jet can fly at a height of up to 45 000 ft, though most cruise at 41 000 ft. This is generally higher than an airline flight and allows for a more direct route – out of the most congested area of the sky. A private jet pilot will choose the optimum cruising altitude depending on the distance of the journey.

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It was in 1977 that the highest current altitude record achieved by a manned air-breathing jet engine propelled aircraft was set, when Alexandr Fedotov flew to a height of 123,520 ft in a Mikoyan Gurevitch E-266M. That's about three times the normal cruising altitude of a passenger jet!

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The Max 10 can carry 228 passengers, one-fifth more than the 189 seats fitted in the Boeing 737 NGs, which still make up most of Ryanair's aircraft. Ryanair expects that half the new deliveries will replace the 737 NG aircraft, cutting its fleet's average age and fuel consumption.

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“If you could book a 737 500, and you find out it's a 737 MAX, technically they don't have to honor your request. … So you don't have a right to specify you are not going to go on a 737 MAX.”

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