ZK-NBT wrote:tommy1808 wrote:777luver wrote:
Care to elaborate on that statement?
The 77W was the most fuel efficient wide body about two decades ago, but that is way in the past with 787s and A350 flying in large numbers. And with the 748i not being more fuel efficient as the 77W, there is no advantage for it as well.
Two decades ago? it entered service in 2004, the first 787 entered service in 2011, however that’s a different class as the 77W replaced a lot of 744 fleets. The 77W is uneconomical at the moment because of COVID, it’s a good Preighter for several airlines however not being used to much for pax as the 787/359 are smaller and more efficient in that regard.
Remember B777 entered service in the early 90s. B777-300ER is just a stretch version of a 90's technology.
B787 and A350 also utilize new generation engines and composite materials. One of the reason why B777-300ER is "reasonably efficient" caused directly by the fact that airlines crammed 10-abreast economy class seat into the cabin. If they actually use the original 9-abreast configuration, B777-300ER would be extremely inefficient.