[Jack Hydrazine]

Any good guesses on islands in the southern Indian Ocean that have runways of any kind?

[Gay State Conservative]

and that island would be --

Antarctica

[Uncle Chip]

My guess as to the island on his computeror is New Amsterdam:

http://en.wikipedia.org/wiki/%C3%8Ele_Amsterdam

It appears to be the destination of the 450knot flight path that the NTSB initially charted then abandoned:

https://www.facebook.com/178566888854999/photos/pcb.740971779281171/740971732614509/?type=1&theater