Hello
Do you no guy litlle fuel motor do some interferene in the 72mhz not the one in your plane just the one on your fuel jug and pager too and data terminal when plug to your tubine too!
PLEASE LOOK AT THAT SITE
WWW.NADES.NET
CLICK ON UK FLAG THEN FADEC CONTOLLER THEN FADEC CONTROLLER AGAIN THEN EMI TEST INTERFERENCE. YOU WILL SEE WHAT I TALKING ABOUT![:'(]