APM 2.5 with ArduCopter v3 - Loiter Test

Loiter test on ArduCopter v.3 firmware - Awesome !!
All credits goes to Developer Team at http://www.ardupilot.com
Safety Caution:
Dangerous !!
Do Not Perform This Test Even Your Copter Was Perform Better!!
All Action At Your Own Risk!!

Configuration:
* APM 2.5 flight controller with ArduCopter v.3 firmware
* GPS RCTimer u-Blox CN-06 :
http://www.rctimer.com/index.php?gOo=goods_details.dwt&goodsid=763
* Tarot FY650 QuadCopter carbon fiber frame
* Sunnysky V2216 Kv800 with 1147 nylon prop
* ESC Quattro 20A
* Battery 3S - 5000 mAh
Tuning Guide:
PID Tuning: http://diydrones.com/forum/topics/arducopter-tuning-guide
ArduCopter V3 Maiden Check : http://www.youtube.com/watch?v=NOQPrTdrQJM