people-part1.xsd

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:complexType name="airplane">
        <xs:complexContent>
            <xs:extension base="vehicleType" >
                <xs:sequence>
                    <xs:element name="pilotname" type="xs:string" />
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
</xs:schema>