<simpleType name="CodeServiceInformationBaseType">
    <union>
        <simpleType>
            <restriction base="string">
                <enumeration value="AFIS" />
                <enumeration value="AIS" />
                <enumeration value="ATIS" />
                <enumeration value="BRIEFING" />
                <enumeration value="FIS" />
                <enumeration value="OFIS_VHF" />
                <enumeration value="OFIS_HF" />
                <enumeration value="NOTAM" />
                <enumeration value="INFO" />
                <enumeration value="RAF" />
                <enumeration value="METAR" />
                <enumeration value="SIGMET" />
                <enumeration value="TWEB" />
                <enumeration value="TAF" />
                <enumeration value="VOLMET" />
                <enumeration value="ALTIMETER" />
                <enumeration value="ASOS" />
                <enumeration value="AWOS" />
            </restriction>
        </simpleType>
        <simpleType>
            <restriction base="string">
                <pattern value="OTHER(:(\w|_){1,58})?" />
            </restriction>
        </simpleType>
    </union>
</simpleType>

• CodeServiceInformationBaseType
• aixm:CodeServiceInformationType
• aixm:type