I bought a brand new radio a futaba skysport fm and ordered a new stearman. I fly alone and do not belong to a club. I was flying an old radio which has been in other crashes since I had flow 20 flight wo incident i thought it would be ok. New radio with a 1400ma pack should give me confidence. The same thing happened to me twice before in a 10 year span. I fly at a local soccer complex with full permission and there is a cell towewr in the corner but I have not had any problems when i use newer equipment. I think the x-tals after years of vibration get out of tune. 10 years is a long time to keep a set in use. Im getting rid of all my old gear and will not use it except for the servos which should be ok