Helicopter unaffected by terrain design masks (no cover from forest etc)
Helicopter unaffected by terrain in fire
Helicopter unaffected by landmines
Helicopter normal pathing limitations (eg can move through any terrain. Map boundaries only exception)
Helicopter not cause filmsy objects collision interactions (eg no car destruction in urban biomes etc)
Helicopter not occupied cell (eg other units can pass through terrain under it)
Targeting positions corrected
Lights position and rotation corrected (lights