4 ms·Radioactivity has nothing to do with it. Was solved in Mi-6/Mi-8/Mi-26 blades without it.by lstodd 25d agoRadioactivity has nothing to do with it. Was solved in Mi-6/Mi-8/Mi-26 blades without it.m4rtink 25d agoWould be actually interesting to know how other helicopters solved this. :)loopies 24d agoI saw they moved to composite blades but why don't they need such a warning system?