1. Facilities on site - ILS ADF RADAR etc decent procedures
2. Test center on site - no commutes to one
3. Easy access to the airways
4. Relativly uncommercialised and un busy
5. Good choice of IR schools based on site
6. Better Wx (yes, for real)
7. Good choice of B & B's, specialy out of season
8. Nice part of the country
There are probably others too
Splat