Age of 747 fleet.
Oldest is 21
Most are over 15
Three are about 10-12
The ERs are 5-7 years old.
South American route. Correct - ETOPS is not an option.
For return EZE-SYD, fly down E coast of S America, over Cape Horn and keep going. For most of the flight, two closest diversions are either Cape Horn or Christchurch. Tahiti is over 2000nm to the North.
Even though Antarctica is only 150nm away (you fly over the ice pack for several hours), McMurdo is still 1400nm away.
It is very lonely.
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