Release Notes 1.6

1. Improvements to Selection screen for small devices.
2. Bug fix that prevented seed selection from showing.
3. New level Saint Marten and Anguilla.
4. New Asheville level with contours.
5. New level Vancouver in Bonus levels
6. New level Changhi in Bonus Levels.
7. New level Mumbai in Bonus Levels
8. Carrier Level moved to Bonus Levels
9. New level Dubai
10. Contours and altitude collisions in SHD, SDL, Kona, Munich and St Maarten
11. Much improved Sydney level with contours, STARS and DP's
12. New Building details around airports.
13. Levels spawn with aircraft in flight
14. Bug fix for aircraft acceleration profile.
15. Improvements to acknowledgement display and timng.