<xs:element name="FlightNumberRange" minOccurs="0" maxOccurs="5">
    <xs:annotation>
        <xs:documentation xml:lang="en">Include or exclude a flight number range</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:attribute name="AirlineCode" type="StringLength3" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">The airline code of this range of flight numbers.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="RangeStart" type="FlightNumberType" use="required">
            <xs:annotation>
                <xs:documentation xml:lang="en">The start number (inclusive) of the flight number range.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="RangeEnd" type="FlightNumberType" use="required">
            <xs:annotation>
                <xs:documentation xml:lang="en">The end number (inclusive) of the flight number range.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="IncludeIndicator" type="xs:boolean" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">When true, the flight number range should be included (i.e. travel is allowed on these flights). When false, the flight number range (inclusive) should be excluded (i.e. travel not allowed on these flights).</xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
</xs:element>