diff --git a/schema/cpacs_schema.xsd b/schema/cpacs_schema.xsd
index f34b918..9213519 100644
--- a/schema/cpacs_schema.xsd
+++ b/schema/cpacs_schema.xsd
@@ -7503,6 +7503,11 @@ cpacs@dlr.de
                     </xsd:choice>
                     <xsd:element name="parentUID" minOccurs="0" type="stringUIDBaseType"/>
                     <xsd:element name="transformation" minOccurs="0" type="transformationExplicitType"/>
+                    <xsd:element name="structuralMountUIDs" minOccurs="0" type="uIDSequenceType">
+                        <xsd:annotation>
+                            <xsd:documentation>UIDs of the structural mounts</xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:element>
                 </xsd:sequence>
                 <xsd:attribute name="uID" use="required" type="xsd:ID"/>
             </xsd:extension>