I wear a Gentex 56P with the CEP fitted, great for hearing radios and ICS and cuts out most eng noise. but the helmet itself is crap in dusty cond's. After an hour or so in dusty pads the visors jam up. Not real good, might work better in a sealed cockpit.
Im glad I dont have to pay for the new visors every other sortie.
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If it dont hover! dont bover!