So it's 2am right now and I figured I'd fly her out she was at 100% and I didn't want the battery to be that high before I went to sleep so I went out to test out my new windsurfer for my standard controller. So I pushed her out 3000ft at a height of 250ft. Lost signal shortly after 3000ft the fail safe worked!! Yay! It came back just fine I saw that the aircraft was landing canceled the RTH feature and decided to go out one more time to test the limits! So I lifted her to 400ft and was off on my adventure I pushed the aircraft to 3600ft and lost signal I'm thinking okay awesome it's going to come back and I'm going to bed think again I waited 4mins and still no return I Hop in my car and I'm cranking on the gas to regain signal! I regain the signal and then... The failsafe kicked in! After I regained the signal! I turned it off and manually landed it about .75 miles away from my house and said a thank you prayer!!! can someone help me understand why the failsafe didn't kick in the second time?