Right, the assault phase, and yes, Flying Monstrous Creatures cannot charge on the same turn they change flight modes! Next is charging through difficult terrain, you now minus two from your charge distance, which means a double one is an instant fail to charge through terrain. Also, if you charge a unit that has gone to ground, you do not get an initiative penalty for charging through terrain...
After a good read of the rest of this section, believe it or not everything else is the same as before!
With the USR moved toward the back, it now means that we will be looking at unit types next...