AMC 22.1191(c) Firewalls

CAA ORS9 Decision No. 1

The following materials are accepted as fireproof, when used in firewalls or shrouds, without being tested -

(1) stainless steel sheet, 0.38 mm thick;

(2) mild steel sheet (coated with aluminium or otherwise protected against corrosion) 0.5 mm thick;

(3) steel or copper base alloy firewall fittings.