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The Boeing 777 is a long-haul airliner developed by Boeing Commercial Airplanes. It was first flown in 1997 and has since become a workhorse for many airlines. The aircraft has a number of variants, and can seat between 245 and 335 passengers.

The 777 has several unique features that make it stand out from other aircraft. For example, it has a fuel system that allows the plane to fly on one engine for extended periods of time. It can also be refueled mid-flight, which is convenient for long flights.

Its engines can also run on sustainable aviation fuel, which helps airlines lower their carbon footprint. Emirates has already used this type of fuel on a test flight, and the company is working to make this fuel more widely available.

In addition, the 777 has a unique ability to glide if it runs out of fuel. This feature is useful because it can help the plane reach a safe landing location before it runs out of power. However, gliding is not an easy task, and it requires exceptional piloting skills.

Boeing has made a number of safety improvements to the 777 since the crash of TWA Flight 800, which was caused by fuel-tank ignition. https://192.46.224.92 has required manufacturers to prove that their 777s can prevent such ignitions.

Another problem that can occur with the 777 is ice forming in the fuel system. This can reduce the amount of power that the engine can produce, causing the plane to lose altitude. It can even cause the aircraft to crash, which is why the FAA has strict rules about ice formation.

A wing flap can be deployed to reduce the effect of ice in the fuel system, but it does not solve the problem completely. The best solution is to use an anti-icing additive in the fuel. This can help prevent ice from forming in the fuel tank and other parts of the aircraft.

The FAA has proposed a new rule that would require airlines to install and inspect "Teflon sleeves" around wire bundles on the fuel tanks of their 777s. This is a measure that was suggested by the Air Transport Safety Investigation Bureau after a Singapore Airlines 777-300ER landed very low on fuel in late 2022. The new proposal will apply to all 777s flying in the US.

The 777 has been involved in 30 aviation accidents and incidents, including five hull losses. The most recent incident happened in 2022 when a Singapore Airlines flight from London to Jakarta ran out of fuel on the way to the airport. The passengers were evacuated safely, but the aircraft suffered extensive damage. The airline has been conducting a review of the incident with its pilots and updating training on fuel management. The airline also implemented a new procedure for declaring a Mayday Fuel event. This ensures that all pilots are aware of the potential consequences of running out of fuel.