ANR Retrofit: Making an Old Friend Better
Although nowadays I usually fly with my BoseANR headset, I still have the first aviation headset I ever bought: a venerable DavidClark H10-40 that I bought back in the 1970s, now covered with scratches earned duringmany years of faithful service in the cockpit. It has new gel ear seals, but has beenrelegated to back-up and […]