I've been reading this thread since page 125 and I swear I remember someone typing Nicobar or Andaman Islands. Can't find the post now.
But whatever the case, good call on that posters part.
It was thecrozier. With particular reference to Car Nicobar. VOCX, check it out on Google maps satellite. I'm not one for outlandish theories, but it does have a nice long runway.