I lost two nice jets(a year apart from each other) at the Broken Arrow jet flyin 3 to 4 years ago on the ham band (53mhz) and switched over to 72mhz after that. After the second jet went in they gave me a trainer plane ( with a new receiver installed) to verify the interference and it also went in at the same location as where the the jet went in. I never had any problems anywhere else using the ham band but did not want to take any more chances with my jets. I still fly my helicopters on the ham band but not at Broken Arrow. Bob Price