ha.
I just looked at the QF94 (a380) depart LA on the Sun 7th Nov
and its departs 23:20 arrive mel 09:55 (15:53min)
the QF94 (747) which leaves on Sat 6th Nov QF94
23:20 arrive mel 08:40 (15:20min)
Im guessing QF website is pretty screwed with arrival times
That is a hard one to call as the published information is not really comparable.The A380's do cruise at a higher mach rate than the 747s AFAIK, but I am sure our resident expert (JB747) will be able to provide the facts.
ha.
I just looked at the QF94 (a380) depart LA on the Sun 7th Nov
and its departs 23:20 arrive mel 09:55 (15:53min)
the QF94 (747) which leaves on Sat 6th Nov QF94
23:20 arrive mel 08:40 (15:20min)
Im guessing QF website is pretty screwed with arrival times
ETOPS may add some time to the trip, but more likely its creative timings.
There ain't be no ETOPS restricted airspace on the great circle route between LAX and MEL.
But I look at tonight's flight plans and QF and VA are virtually identical. The waypoints are different but as a line on a map they are indistinguishable. The VA flight is actually 3 minutes faster than QF. DL on the other is hand is flying significantly further North (over Hawaii) and is 2 minutes faster than VA. What's going on there?
I don't think the explaination is that VA have forgotten to fly an ETOPS compliant route.
I understand this is not supposed to be an accurate tool, and many other factors come into play (such as prevailing/expected weather conditions), but this implies that a 777 can operate SYD-LAX without any route restrictions with ETOPS 180 unless the preferred routing is well south of the great circle routing.The 777 will be affected by ETOPs on the Pacific if it is using 180 minutes, though 217 will get it across. Long way from anywhere though....
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I understand this is not supposed to be an accurate tool, and many other factors come into play (such as prevailing/expected weather conditions), but this implies that a 777 can operate SYD-LAX without any route restrictions with ETOPS 180 unless the preferred routing is well south of the great circle routing.