I get to hear the high pitches sound all the time. You kids and your dang beepin boops quitting on learning cause of that!? Spoilt! Every oneofyehs!<br>Getting older sucks. I remember being able to hear that into the 17ks rather easily. Now thanks to some well placed explosions, not so much. <br>Kids if you go on a turboprop aircraft or helicopter, wear the dang earmuffs.