<simpleType name="CodeApproachEquipmentAdditionalBaseType">
    <union>
        <simpleType>
            <restriction base="string">
                <enumeration value="ADF" />
                <enumeration value="DME" />
                <enumeration value="RADAR" />
                <enumeration value="RADARDME" />
                <enumeration value="VORLOC" />
                <enumeration value="DUALVORDME" />
                <enumeration value="DUALADF" />
                <enumeration value="ADFMA" />
                <enumeration value="SPECIAL" />
                <enumeration value="DUALVHF" />
                <enumeration value="GPSRNP3" />
                <enumeration value="ADFILS" />
                <enumeration value="DUALADF_DME" />
                <enumeration value="RADAR_RNAV" />
            </restriction>
        </simpleType>
        <simpleType>
            <restriction base="string">
                <pattern value="OTHER(:(\w|_){1,58})?" />
            </restriction>
        </simpleType>
    </union>
</simpleType>

• CodeApproachEquipmentAdditionalBaseType
• aixm:CodeApproachEquipmentAdditionalType
• aixm:additionalEquipment