<simpleType name="CodeProcedurePhaseBaseType">
    <union>
        <simpleType>
            <restriction base="string">
                <enumeration value="RWY" />
                <enumeration value="COMMON" />
                <enumeration value="EN_ROUTE" />
                <enumeration value="APPROACH" />
                <enumeration value="FINAL" />
                <enumeration value="MISSED" />
                <enumeration value="MISSED_P" />
                <enumeration value="MISSED_S" />
                <enumeration value="ENGINE_OUT" />
            </restriction>
        </simpleType>
        <simpleType>
            <restriction base="string">
                <pattern value="OTHER(:(\w|_){1,58})?" />
            </restriction>
        </simpleType>
    </union>
</simpleType>

• CodeProcedurePhaseBaseType
• aixm:CodeProcedurePhaseType
• aixm:type