Source : http://www.flightsafetyaustralia.com/2015/02/epic-crashes-show-reason-for-drone-rules/
[youtube https://www.youtube.com/watch?v=P9rnTk6FBzs&w=560&h=315]
Source : http://www.flightsafetyaustralia.com/2015/02/epic-crashes-show-reason-for-drone-rules/
[youtube https://www.youtube.com/watch?v=P9rnTk6FBzs&w=560&h=315]