Turbine planes you will need a waiver. (I suppose if you live in the middle of no where you could fly/crash it yourself and no one would bat an eye.)
Hone skills learned from piloting ducted fan jets first, then you need to demonstrate system knowledge and ability to obtain the sign off. Most places mandate a speed limiter >150mph, guys fly in the desert areas unlimited.
For shows and events, similar flight restrictions like that in place for full scale planes are used.
* Transmitters can reach beyond line of sight and frequency overlap is a major safety concern, best to play by the rules. *
Official Rules : http://www.modelaircraft.org/files/510-d.pdf