Originally Posted by
donpizmeov
Well it's 428 on a two class Boeing not 430. So that would be up against a 615 seat two class 380, burning an extra 3.6t per hour. So to an answer your question dropp it would need an extra 35 econ pax on board to pay for the extra weight. The other 150 can travel for free. It's 356 on the three class Boeing vs 517 on the 380 so only 126 traveling for free on that one.
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Most charges are based on certified mtow of the a/c reg, 777 at 351t versus 380 at 565t is 214t difference, not 100t. Landing charges, airport fees, airways fees, all 60% more. I'm sure handing and catering will be significantly more too. But in 2 class the 380 carries only 43% more passengers, not 60%. I don't think a full 380 carries anymore cargo than a 777.
What about maintenance reserves and costs for the engines? All doubled. The 380 has no recorded resale value. The entire aircraft value has to be written off at some stage on the books (luckily lots are leased).
Further, the 3 class *ULR*380 carries 489, versus 3 class 777 351, only 39% more.