The A330 is significantly smaller / lighter aircraft than a B777. The B777 cruises at a faster speed also. At the same time, the B777 engine has around 9:1 bypass ratio, while the A330 has a 5:1 bypass ratio.
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Specifications. On the surface, these are two very similar airplanes, with very similar specifications. While the Airbus has slightly more passenger capacity, thanks to its slightly superior length, the Boeing has a more generous belly for cargo, and a greater range overall.
Fuel savings and revenue. One crucial advantage of the A330 is its low fuel consumption. In the mid to late 1970s, Airbus found the type could carry the same amount of passengers as a McDonnell Douglas DC-10 but with 25% better fuel efficiency.
Cabin comfort andThe A330's modern cabin enables the installation of Airbus-standard wide seats that bring a high level of comfort and relaxation to long-haul flights – even in economy.
The Boeing 777 is one of the safest and most successful aircraft in aviation history. If you've been on a long-haul flight in the last 20 years, there's a high probability that you've been on one. First entering service in 1995 with United Airlines, it is now a member of over 50 different airline's fleets.
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.
The larger planes, such as the Boeing 747, 777, 787 and the Airbus A330 and A380, have much more seats than the smaller Embraer 190, Boeing 737 and Airbus A320. The A380 can transport most passengers (516 seats), followed by the Boeing 747 and 777 (408 seats).
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.
Hydraulic pumpThe purpose of the system is to ensure that minimum pressure is maintained across the hydraulic systems of the aircraft. This system produces the 'barking dog' noise that is associated with the Airbus series, which also sometimes manifests itself as a high-pitched whining noise.
It was found that Boeing had more accidents than expected, while Airbus had fewer (p = 0.015). In terms of fatalities, Boeing had more than expected, with Airbus fewer (p < 0.001). Looking at accidents alone, only the number of fatalities was statistically significantly different.
The a330 has tilted main gear that helps make it feel like a smoother touch down then other planes. Due to the advanced computer and fly by wire system, it is easier to make a landing feel soft than on some other planes. So basically the plane is good at butter landings so they call it the butter machine.
Emirates operates the world's largest fleet of Boeing 777 aircraft. We fly these modern aircraft to nearly 100 cities on six continents, carrying millions of passengers across the globe each year.
As airlines are moving towards newer generation aircraft, the demand for good-condition Airbus A330s is relatively low - even if the youngest of these jets is a little less than ten years old. While many of these A330s are in their teenage years, they also haven't been flying at all in the last two to three years.