It's already possible[1], but legislation varies by country. Line-of-sight, 50m from buildings and people (other than the operator and those under the operators

It's already possible[1], but legislation varies by country. Line-of-sight, 50m from buildings and people (other than the operator and those under the operators control) and a 150m height limit are common to reduce the risk to commercial aviation, and of property damage or injury. [1] http://diydrones.com/ http://diydrones.com/ (for example)