3 5 wearing goggles for ground use 3 6 operation procedures an pvs 5 5a 5b and 5c 3 7 ir infrared illuminator operation for ground use 3 8 demisting shields 3 9 shutdown procedure section iv operation in unusual conditions 3 10 operation in arctic conditions 3 11 operation in dusty or sandy conditions 3 12. The full face mask an pvs 5 5a 5b and 5c configurations are not authorized to be used by pilots while flying aircraft the binocular assemblies for an pvs 5a 5b and 5c nvg can be used with the gm 6v1 and gm 6v2 modification the an pvs 5 binocular as sembly cannot be used in any modification for flying. Home helmetsan pvs 7b d gen iii night vision goggles an pvs 7b d gen iii night vision goggles i am a legal citizen of the united states of america aa batteries 2 operators manual lens paper headmount assembly demist shields sacrificial window and ir flood spot lens assembly