Can't seem to load in around the New York City and KJFK area, but can load in outside the area and fly there

Welcome to the wonderful world of Beta testing.

Probably related to what’s mentioned in the release notes of SU4b 1.6.5.0:

This build contains a known issue that can cause infinite loading times on certain flights. A fix is in development for a future build. Areas that can cause this issue include, but may not be limited to, the following:

  • Cardiff

  • Cliffs of Moher

  • Darwin

  • Dublin

  • Melbourne

With emphasis on “may not be limited to”.

For me it happens anywhere I first load in, then on the next flight I increase TLOD, and try to load in, it gets stuck, and never loads in.

I know it’s not TLOD alone - because I can increase TLOD and load in to any other airport - just not the one I was at previously. Very odd, but suggests something to do with cache, maybe.