Ok I was tired. I meant my 20-10X's :-)
Michelle

Michelle P wrote:

My David Clarks 10-60s do not do this.
Michelle

Juan Jimenez wrote:

Somebody explain to me why ANR headsets squeal when you are
descending from FL180 and lower in an unpressurized aircraft.
Flightcom is modifying their Denalis to deal with this but they say
all ANR's do this.

????

Juan